DSCResources/MSFT_IntuneAttackSurfaceReductionRulesPolicyWindows10ConfigManager/MSFT_IntuneAttackSurfaceReductionRulesPolicyWindows10ConfigManager.psm1

function Get-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.Collections.Hashtable])]
    param
    (
        [Parameter(Mandatory = $True)]
        [System.String]
        $Identity,

        [Parameter()]
        [System.String]
        $DisplayName,

        [Parameter()]
        [System.String]
        $Description,

        [Parameter()]
        [System.String[]]
        $AttackSurfaceReductionOnlyExclusions,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $AttackSurfaceReductionRules,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockAbuseOfExploitedVulnerableSignedDrivers,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockAdobeReaderFromCreatingChildProcesses,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockAllOfficeApplicationsFromCreatingChildProcesses,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockCredentialStealingFromWindowsLocalSecurityAuthoritySubsystem,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockExecutableContentFromEmailClientAndWebmail,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockExecutableFilesRunningUnlessTheyMeetPrevalenceAgeTrustedListCriterion,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockExecutionOfPotentiallyObfuscatedScripts,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockJavaScriptOrVBScriptFromLaunchingDownloadedExecutableContent,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockOfficeApplicationsFromCreatingExecutableContent,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockOfficeApplicationsFromInjectingCodeIntoOtherProcesses,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockOfficeCommunicationAppFromCreatingChildProcesses,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockPersistenceThroughWMIEventSubscription,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockProcessCreationsFromPSExecAndWMICommands,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockUntrustedUnsignedProcessesThatRunFromUSB,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockWin32APICallsFromOfficeMacros,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $UseAdvancedProtectionAgainstRansomware,

        [Parameter()]
        [System.String[]]
        $ControlledFolderAccessProtectedFolders,

        [Parameter()]
        [System.String[]]
        $ControlledFolderAccessAllowedApplications,

        [Parameter()]
        [ValidateSet("0", "1","2")]
        [System.String]
        $EnableControlledFolderAccess,

        [Parameter()]
        [Microsoft.Management.Infrastructure.CimInstance[]]
        $Assignments,

        [Parameter(Mandatory = $True)]
        [System.String]
        [ValidateSet('Absent', 'Present')]
        $Ensure = $true,

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $Credential,

        [Parameter()]
        [System.String]
        $ApplicationId,

        [Parameter()]
        [System.String]
        $TenantId,

        [Parameter()]
        [System.String]
        $ApplicationSecret,

        [Parameter()]
        [System.String]
        $CertificateThumbprint
    )

    Write-Verbose -Message "Checking for the Intune Endpoint Protection Policy {$DisplayName}"

    $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftGraph' `
        -InboundParameters $PSBoundParameters `
        -ProfileName 'beta' -ErrorAction Stop

    $context=Get-MgContext
    if($null -eq $context)
    {
        $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftGraph' `
            -InboundParameters $PSBoundParameters -ErrorAction Stop
    }

    Select-MgProfile -Name 'beta'
    #Ensure the proper dependencies are installed in the current environment.
    Confirm-M365DSCDependencies

    #region Telemetry
    $ResourceName = $MyInvocation.MyCommand.ModuleName -replace "MSFT_", ""
    $CommandName  = $MyInvocation.MyCommand
    $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName `
        -CommandName $CommandName `
        -Parameters $PSBoundParameters
    Add-M365DSCTelemetryEvent -Data $data
    #endregion

    $nullResult = $PSBoundParameters
    $nullResult.Ensure = 'Absent'

    try
    {
        #Retrieve policy general settings
        $policy = Get-MgDeviceManagementConfigurationPolicy -DeviceManagementConfigurationPolicyId $Identity -ErrorAction Stop

        if ($null -eq $policy)
        {
            Write-Verbose -Message "No Endpoint Protection Policy {$Identity} was found"
            return $nullResult
        }

        #Retrieve policy specific settings
        [array]$settings = Get-MgDeviceManagementConfigurationPolicySetting `
            -DeviceManagementConfigurationPolicyId $Identity `
            -ErrorAction Stop


        $returnHashtable=@{}
        $returnHashtable.Add("Identity",$Identity)
        $returnHashtable.Add("DisplayName",$policy.name)
        $returnHashtable.Add("Description",$policy.description)

        foreach ($setting in $settings.settingInstance)
        {
            $addToParameters=$true
            $settingName=$setting.settingDefinitionId.Split("_")|Select-Object -Last 1

            switch ($setting."@odata.type")
            {
                "#microsoft.graph.deviceManagementConfigurationSimpleSettingCollectionInstance"
                {
                    $values=@()
                    foreach($value in $setting.AdditionalProperties.simpleSettingCollectionValue)
                    {
                        $values+=Get-DeviceManagementConfigurationSettingInstanceValue -Setting $value
                    }
                    $settingValue= $values
                }

                "#microsoft.graph.deviceManagementConfigurationGroupSettingCollectionInstance"
                {
                    $values=@()
                    foreach($value in $setting.AdditionalProperties.groupSettingCollectionValue.children)
                    {
                        $settingName=$value.settingDefinitionId.split("_")|Select-Object -Last 1
                        $settingValue= Get-DeviceManagementConfigurationSettingInstanceValue -Setting $value
                        $returnHashtable.Add($settingName,$settingValue)
                        $addToParameters=$false
                    }
                }
                Default
                {
                    $settingValue= Get-DeviceManagementConfigurationSettingInstanceValue -Setting $setting.AdditionalProperties
                }
            }
            if ($addToParameters)
            {
                $returnHashtable.Add($settingName,$settingValue)
            }

        }
        $returnAssignments=@()
        $returnAssignments+=Get-MgDeviceManagementConfigurationPolicyAssignments -DeviceManagementConfigurationPolicyId $Identity
        $returnHashtable.Add('Assignments',$returnAssignments)

        Write-Verbose -Message "Found Endpoint Protection Policy {$($policy.name)}"

        $returnHashtable.Add("Ensure","Present")
        $returnHashtable.Add("Credential",$Credential)
        $returnHashtable.Add("ApplicationId",$ApplicationId)
        $returnHashtable.Add("TenantId",$TenantId)
        $returnHashtable.Add("ApplicationSecret",$ApplicationSecret)
        $returnHashtable.Add("CertificateThumbprint",$CertificateThumbprint)

        return $returnHashtable
    }
    catch
    {
        try
        {
            Write-Verbose -Message $_
            $tenantIdValue = ""
            $tenantIdValue = $Credential.UserName.Split('@')[1]
            Add-M365DSCEvent -Message $_ -EntryType 'Error' `
                -EventID 1 -Source $($MyInvocation.MyCommand.Source) `
                -TenantId $tenantIdValue
        }
        catch
        {
            Write-Verbose -Message $_
        }
        return $nullResult
    }
}

function Set-TargetResource
{
    [CmdletBinding()]
    param
    (
        [Parameter(Mandatory = $True)]
        [System.String]
        $Identity,

        [Parameter()]
        [System.String]
        $DisplayName,

        [Parameter()]
        [System.String]
        $Description,

        [Parameter()]
        [System.String[]]
        $AttackSurfaceReductionOnlyExclusions,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $AttackSurfaceReductionRules,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockAbuseOfExploitedVulnerableSignedDrivers,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockAdobeReaderFromCreatingChildProcesses,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockAllOfficeApplicationsFromCreatingChildProcesses,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockCredentialStealingFromWindowsLocalSecurityAuthoritySubsystem,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockExecutableContentFromEmailClientAndWebmail,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockExecutableFilesRunningUnlessTheyMeetPrevalenceAgeTrustedListCriterion,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockExecutionOfPotentiallyObfuscatedScripts,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockJavaScriptOrVBScriptFromLaunchingDownloadedExecutableContent,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockOfficeApplicationsFromCreatingExecutableContent,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockOfficeApplicationsFromInjectingCodeIntoOtherProcesses,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockOfficeCommunicationAppFromCreatingChildProcesses,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockPersistenceThroughWMIEventSubscription,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockProcessCreationsFromPSExecAndWMICommands,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockUntrustedUnsignedProcessesThatRunFromUSB,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockWin32APICallsFromOfficeMacros,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $UseAdvancedProtectionAgainstRansomware,

        [Parameter()]
        [System.String[]]
        $ControlledFolderAccessProtectedFolders,

        [Parameter()]
        [System.String[]]
        $ControlledFolderAccessAllowedApplications,

        [Parameter()]
        [ValidateSet("0", "1","2")]
        [System.String]
        $EnableControlledFolderAccess,

        [Parameter()]
        [Microsoft.Management.Infrastructure.CimInstance[]]
        $Assignments,

        [Parameter(Mandatory = $True)]
        [System.String]
        [ValidateSet('Absent', 'Present')]
        $Ensure = $true,

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $Credential,

        [Parameter()]
        [System.String]
        $ApplicationId,

        [Parameter()]
        [System.String]
        $TenantId,

        [Parameter()]
        [System.String]
        $ApplicationSecret,

        [Parameter()]
        [System.String]
        $CertificateThumbprint
    )

    $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftGraph' `
        -InboundParameters $PSBoundParameters `
        -ProfileName 'beta'

    Select-MgProfile -Name 'beta'
    #Ensure the proper dependencies are installed in the current environment.
    Confirm-M365DSCDependencies

    #region Telemetry
    $ResourceName = $MyInvocation.MyCommand.ModuleName -replace "MSFT_", ""
    $CommandName  = $MyInvocation.MyCommand
    $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName `
        -CommandName $CommandName `
        -Parameters $PSBoundParameters
    Add-M365DSCTelemetryEvent -Data $data
    #endregion

    $currentPolicy = Get-TargetResource @PSBoundParameters
    $PSBoundParameters.Remove("Ensure") | Out-Null
    $PSBoundParameters.Remove("Credential") | Out-Null
    $PSBoundParameters.Remove("ApplicationId") | Out-Null
    $PSBoundParameters.Remove("TenantId") | Out-Null
    $PSBoundParameters.Remove("ApplicationSecret") | Out-Null
    $PSBoundParameters.Remove("CertificateThumbprint") | Out-Null

    $templateReferenceId='5dd36540-eb22-4e7e-b19c-2a07772ba627_1'
    $platforms='windows10'
    $technologies='configManager'

    if ($Ensure -eq 'Present' -and $currentPolicy.Ensure -eq 'Absent')
    {
        Write-Verbose -Message "Creating new Endpoint Protection Policy {$DisplayName}"

        $settings= Format-M365DSCIntuneSettingCatalogPolicySettings `
            -DSCParams ([System.Collections.Hashtable]$PSBoundParameters)

        $Template = Get-MgDeviceManagementConfigurationPolicyTemplate -DeviceManagementConfigurationPolicyTemplateId $templateReferenceId
        New-MgDeviceManagementConfigurationPolicy `
            -Name $DisplayName `
            -Description $Description `
            -TemplateReference $templateReference `
            -Platforms $platforms `
            -Technologies $technologies `
            -Settings $settings

        $assignmentsHash=Convert-M365DSCDRGComplexTypeToHashtable -ComplexObject $Assignments
        Update-MgDeviceManagementConfigurationPolicyAssignments -DeviceManagementConfigurationPolicyId $Identity -Targets $assignmentsHash

    }
    elseif ($Ensure -eq 'Present' -and $currentPolicy.Ensure -eq 'Present')
    {
        Write-Verbose -Message "Updating existing Endpoint Protection Policy {$($currentPolicy.DisplayName)}"

        $settings= Format-M365DSCIntuneSettingCatalogPolicySettings `
            -DSCParams ([System.Collections.Hashtable]$PSBoundParameters)

        $Template = Get-MgDeviceManagementConfigurationPolicyTemplate -DeviceManagementConfigurationPolicyTemplateId $templateReferenceId
        Update-MgDeviceManagementConfigurationPolicy `
            -DeviceManagementConfigurationPolicyId $Identity `
            -Name $DisplayName `
            -Description $Description `
            -TemplateReference $templateReference `
            -Platforms $platforms `
            -Technologies $technologies `
            -Settings $settings

        $assignmentsHash=Convert-M365DSCDRGComplexTypeToHashtable -ComplexObject $Assignments
        Update-MgDeviceManagementConfigurationPolicyAssignments -DeviceManagementConfigurationPolicyId $currentPolicy.Identity -Targets $assignmentsHash

    }
    elseif ($Ensure -eq 'Absent' -and $currentPolicy.Ensure -eq 'Present')
    {
        Write-Verbose -Message "Removing Endpoint Protection Policy {$($currentPolicy.DisplayName)}"
        Remove-MgDeviceManagementConfigurationPolicy -DeviceManagementConfigurationPolicyId $Identity
    }
}

function Test-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.Boolean])]
    param
    (
        [Parameter(Mandatory = $True)]
        [System.String]
        $Identity,

        [Parameter()]
        [System.String]
        $DisplayName,

        [Parameter()]
        [System.String]
        $Description,

        [Parameter()]
        [System.String[]]
        $AttackSurfaceReductionOnlyExclusions,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $AttackSurfaceReductionRules,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockAbuseOfExploitedVulnerableSignedDrivers,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockAdobeReaderFromCreatingChildProcesses,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockAllOfficeApplicationsFromCreatingChildProcesses,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockCredentialStealingFromWindowsLocalSecurityAuthoritySubsystem,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockExecutableContentFromEmailClientAndWebmail,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockExecutableFilesRunningUnlessTheyMeetPrevalenceAgeTrustedListCriterion,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockExecutionOfPotentiallyObfuscatedScripts,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockJavaScriptOrVBScriptFromLaunchingDownloadedExecutableContent,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockOfficeApplicationsFromCreatingExecutableContent,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockOfficeApplicationsFromInjectingCodeIntoOtherProcesses,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockOfficeCommunicationAppFromCreatingChildProcesses,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockPersistenceThroughWMIEventSubscription,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockProcessCreationsFromPSExecAndWMICommands,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockUntrustedUnsignedProcessesThatRunFromUSB,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $BlockWin32APICallsFromOfficeMacros,

        [Parameter()]
        [ValidateSet("off", "block","audit", "warn")]
        [System.String]
        $UseAdvancedProtectionAgainstRansomware,

        [Parameter()]
        [System.String[]]
        $ControlledFolderAccessProtectedFolders,

        [Parameter()]
        [System.String[]]
        $ControlledFolderAccessAllowedApplications,

        [Parameter()]
        [ValidateSet("0", "1","2")]
        [System.String]
        $EnableControlledFolderAccess,

        [Parameter()]
        [Microsoft.Management.Infrastructure.CimInstance[]]
        $Assignments,

        [Parameter(Mandatory = $True)]
        [System.String]
        [ValidateSet('Absent', 'Present')]
        $Ensure = $true,

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $Credential,

        [Parameter()]
        [System.String]
        $ApplicationId,

        [Parameter()]
        [System.String]
        $TenantId,

        [Parameter()]
        [System.String]
        $ApplicationSecret,

        [Parameter()]
        [System.String]
        $CertificateThumbprint
    )

    #Ensure the proper dependencies are installed in the current environment.
    Confirm-M365DSCDependencies

    #region Telemetry
    $ResourceName = $MyInvocation.MyCommand.ModuleName -replace "MSFT_", ""
    $CommandName  = $MyInvocation.MyCommand
    $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName `
        -CommandName $CommandName `
        -Parameters $PSBoundParameters
    Add-M365DSCTelemetryEvent -Data $data
    #endregion
    Write-Verbose -Message "Testing configuration of Endpoint Protection Policy {$DisplayName}"

    $CurrentValues = Get-TargetResource @PSBoundParameters

    Write-Verbose -Message "Current Values: $(Convert-M365DscHashtableToString -Hashtable $CurrentValues)"
    Write-Verbose -Message "Target Values: $(Convert-M365DscHashtableToString -Hashtable $PSBoundParameters)"

    $ValuesToCheck = $PSBoundParameters
    $ValuesToCheck.Remove('Credential') | Out-Null
    $ValuesToCheck.Remove('ApplicationId') | Out-Null
    $ValuesToCheck.Remove('TenantId') | Out-Null
    $ValuesToCheck.Remove('ApplicationSecret') | Out-Null

    $testResult=$true
    if([Array]$Assignments.count -ne $CurrentValues.Assignments.count)
    {
        Write-Verbose -Message "Configuration drift:Number of assignments does not match: Source=$([Array]$Assignments.count) Target=$($CurrentValues.Assignments.count)"
        $testResult=$false
    }
    if($testResult)
    {
        foreach($assignment in $CurrentValues.Assignments)
        {
            #GroupId Assignment
            if(-not [String]::IsNullOrEmpty($assignment.groupId))
            {
                $source=[Array]$ValuesToCheck.Assignments|Where-Object -FilterScript {$_.groupId -eq $assignment.groupId}
                if(-not $source)
                {
                    Write-Verbose -Message "Configuration drift: groupId {$($assignment.groupId)} not found"
                    $testResult=$false
                    break;
                }
                $sourceHash=Convert-M365DSCDRGComplexTypeToHashtable -ComplexObject $source
                $testResult=Compare-M365DSCComplexObject -Source $sourceHash -Target $assignment
            }
            #AllDevices/AllUsers assignment
            else
            {
                $source=[Array]$ValuesToCheck.Assignments|Where-Object -FilterScript {$_.dataType -eq $assignment.dataType}
                if(-not $source)
                {
                    Write-Verbose -Message "Configuration drift: {$($assignment.dataType)} not found"
                    $testResult=$false
                    break;
                }
                $sourceHash=Convert-M365DSCDRGComplexTypeToHashtable -ComplexObject $source
                $testResult=Compare-M365DSCComplexObject -Source $sourceHash -Target $assignment
            }

            if(-not $testResult)
            {
                $testResult=$false
                break;
            }

        }

    }
    $ValuesToCheck.Remove('Assignments') | Out-Null

    if($testResult)
    {
        $TestResult = Test-M365DSCParameterState -CurrentValues $CurrentValues `
            -Source $($MyInvocation.MyCommand.Source) `
            -DesiredValues $PSBoundParameters `
            -ValuesToCheck $ValuesToCheck.Keys
    }

    Write-Verbose -Message "Test-TargetResource returned $TestResult"

    return $TestResult
}

function Export-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.String])]
    param
    (
        [Parameter()]
        [System.String]
        $Filter,

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $Credential,

        [Parameter()]
        [System.String]
        $ApplicationId,

        [Parameter()]
        [System.String]
        $TenantId,

        [Parameter()]
        [System.String]
        $ApplicationSecret,

        [Parameter()]
        [System.String]
        $CertificateThumbprint
    )

    $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftGraph' `
        -InboundParameters $PSBoundParameters `
        -SkipModuleReload:$true `
        -ProfileName 'beta'

    #Ensure the proper dependencies are installed in the current environment.
    Confirm-M365DSCDependencies

    #region Telemetry
    $ResourceName = $MyInvocation.MyCommand.ModuleName -replace "MSFT_", ""
    $CommandName  = $MyInvocation.MyCommand
    $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName `
        -CommandName $CommandName `
        -Parameters $PSBoundParameters
    Add-M365DSCTelemetryEvent -Data $data
    #endregion

    $dscContent = ''
    $i = 1

    try
    {
        $policyTemplateID='5dd36540-eb22-4e7e-b19c-2a07772ba627_1'
        [array]$policies = Get-MgDeviceManagementConfigurationPolicy `
            -All:$true `
            -Filter $Filter | Where-Object -FilterScript {$_.TemplateReference.TemplateId -eq $policyTemplateID}

        if ($policies.Length -eq 0)
        {
            Write-Host $Global:M365DSCEmojiGreenCheckMark
        }
        else
        {
            Write-Host "`r`n" -NoNewLine
        }
        foreach ($policy in $policies)
        {
            Write-Host " |---[$i/$($policies.Count)] $($policy.Name)" -NoNewline

            $params = @{
                Identity                            = $policy.id
                Ensure                              = 'Present'
                Credential                          = $Credential
                ApplicationId                       = $ApplicationId
                TenantId                            = $TenantId
                ApplicationSecret                   = $ApplicationSecret
                CertificateThumbprint               = $CertificateThumbprint
            }

            $Results = Get-TargetResource @params

            if ($Results.Ensure -eq 'Present')
            {
                $Results = Update-M365DSCExportAuthenticationResults -ConnectionMode $ConnectionMode `
                    -Results $Results

                if ($Results.Assignments)
                {
                    $complexTypeStringResult = Get-M365DSCDRGComplexTypeToString -ComplexObject ([Array]$Results.Assignments) -CIMInstanceName DeviceManagementConfigurationPolicyAssignments
                    if ($complexTypeStringResult)
                    {
                        $Results.Assignments = $complexTypeStringResult
                    }
                    else
                    {
                        $Results.Remove('Assignments') | Out-Null
                    }
                }

                $currentDSCBlock = Get-M365DSCExportContentForResource -ResourceName $ResourceName `
                    -ConnectionMode $ConnectionMode `
                    -ModulePath $PSScriptRoot `
                    -Results $Results `
                    -Credential $Credential

                if ($Results.Assignments)
                {
                    $isCIMArray=$false
                    if($Results.Assignments.getType().Fullname -like "*[[\]]")
                    {
                        $isCIMArray=$true
                    }
                    $currentDSCBlock = Convert-DSCStringParamToVariable -DSCBlock $currentDSCBlock -ParameterName "Assignments" -isCIMArray:$isCIMArray
                }

                $dscContent += $currentDSCBlock
                Save-M365DSCPartialExport -Content $currentDSCBlock `
                    -FileName $Global:PartialExportFileName

                Write-Host $Global:M365DSCEmojiGreenCheckMark
                $i++
            }
        }
        return $dscContent
    }
    catch
    {
        Write-Host $Global:M365DSCEmojiRedX
        if ($_.Exception -like '*401*')
        {
            Write-Host "`r`n $($Global:M365DSCEmojiYellowCircle) The current tenant is not registered for Intune."
        }
        try
        {
            Write-Verbose -Message $_
            $tenantIdValue = $Credential.UserName.Split('@')[1]

            Add-M365DSCEvent -Message $_ -EntryType 'Error' `
                -EventID 1 -Source $($MyInvocation.MyCommand.Source) `
                -TenantId $tenantIdValue
        }
        catch
        {
            Write-Verbose -Message $_
        }
        return ""
    }
}

function Get-DeviceManagementConfigurationSettingInstanceValue
{
    [CmdletBinding()]
    [OutputType([System.Collections.Hashtable])]
    param(
        [Parameter(Mandatory = 'true')]
        [System.Collections.Hashtable]
        $Setting
    )

    switch ($setting."@odata.type")
    {
        "#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance"
        {
            $settingValue= $setting.choiceSettingValue.value.split("_")|Select-Object -Last 1

        }
        "#microsoft.graph.deviceManagementConfigurationSimpleSettingInstance"
        {
            $settingValue= $setting.simpleSettingValue.value
        }
        Default
        {
            $settingValue=$setting.value
        }
    }
    return $settingValue
}
function Convert-M365DSCParamsToSettingInstance
{
    [CmdletBinding()]
    [OutputType([System.Collections.Hashtable])]
    param(
        [Parameter(Mandatory = 'true')]
        [System.Collections.Hashtable]
        $DSCParams,

        [Parameter(Mandatory = 'true')]
        [System.String]
        $SettingDefinitionId,

        [Parameter(Mandatory = 'true')]
        [System.String]
        $SettingDefinitionType,

        [Parameter()]
        [System.String]
        $GroupSettingCollectionDefinitionId,

        [Parameter()]
        [System.String]
        $SettingInstanceTemplateId,

        [Parameter()]
        [System.String]
        $SettingValueType,

        [Parameter()]
        [System.String]
        $SettingValueTemplateId
    )

    $DSCParams.Remove("Verbose") | Out-Null
    $results = @()

    foreach ($param in $DSCParams.Keys)
    {
        $settingDefinitionId=$SettingDefinitionId.ToLower()

        $settingInstance=[ordered]@{}
        $settingInstance.add("@odata.type",$SettingDefinitionType)
        $settingInstance.add("settingDefinitionId",$settingDefinitionId)
        if(-Not [string]::IsNullOrEmpty($settingInstanceTemplateId))
        {
            $settingInstance.add("settingInstanceTemplateReference",@{"settingInstanceTemplateId"=$SettingInstanceTemplateId})
        }
        switch ($SettingDefinitionType)
        {
            "#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance"
            {
                $choiceSettingValue=[ordered]@{}
                $choiceSettingValue.add("children",@())
                $choiceSettingValue.add("@odata.type","#microsoft.graph.deviceManagementConfigurationChoiceSettingValue")
                if(-Not [string]::IsNullOrEmpty($settingValueTemplateId))
                {
                    $choiceSettingValue.add("settingValueTemplateReference",@{"settingValueTemplateId"=$SettingValueTemplateId})
                }
                $choiceSettingValue.add("value","$settingDefinitionId`_$($DSCParams.$param)")
                $settingInstance.add("choiceSettingValue",$choiceSettingValue)
                $results+=$settingInstance
            }
            "#microsoft.graph.deviceManagementConfigurationSimpleSettingCollectionInstance"
            {
                $simpleSettingCollectionValues=@()
                foreach($value in $DSCParams.$param)
                {
                    $simpleSettingCollectionValue=@{}
                    $simpleSettingCollectionValue.add("@odata.type","#microsoft.graph.deviceManagementConfigurationStringSettingValue")
                    $simpleSettingCollectionValue.add("value",$value)
                    $simpleSettingCollectionValues+=$simpleSettingCollectionValue
                }
                $settingInstance.add("simpleSettingCollectionValue",$simpleSettingCollectionValues)
                $results+=$settingInstance
            }
            "#microsoft.graph.deviceManagementConfigurationSimpleSettingInstance"
            {
                $simpleSettingValue=@{}
                if(-Not [string]::IsNullOrEmpty($SettingValueType))
                {
                    $simpleSettingValue.add("@odata.type",$SettingValueType)
                }
                $simpleSettingValue.add("value",$DSCParams.$param)
                if(-Not [string]::IsNullOrEmpty($settingValueTemplateId))
                {
                    $simpleSettingValue.add("settingValueTemplateReference",@{"settingValueTemplateId"=$settingValueTemplateId})
                }

                $settingInstance.add("simpleSettingValue",$simpleSettingValue)
                $results+=$settingInstance
            }
            "#microsoft.graph.deviceManagementConfigurationGroupSettingCollectionInstance"
            {
                $groupSettingCollectionValues=@()
                $groupSettingCollectionValues+=@{"children"=@()}
                $settingInstance.add("groupSettingCollectionValue",$groupSettingCollectionValues)
                $results += $settingInstance
            }
            Default {}
        }
    }
    return $results
}
function Format-M365DSCIntuneSettingCatalogPolicySettings
{
    [CmdletBinding()]
    [OutputType([System.Array])]
    param(
        [Parameter(Mandatory = 'true')]
        [System.Collections.Hashtable]
        $DSCParams
    )

    $DSCParams.Remove('Identity') | Out-Null
    $DSCParams.Remove('DisplayName') | Out-Null
    $DSCParams.Remove('Description') | Out-Null

    #Prepare setting definitions mapping
    $settingDefinitions=@(
        @{
            settingName='AttackSurfaceReductionOnlyExclusions'
            settingDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductiononlyexclusions'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationSimpleSettingCollectionInstance'
            settingInstanceTemplateId='9b3bc064-2726-4abf-8c70-b9cb440c2422'
            settingValueType='#microsoft.graph.deviceManagementConfigurationStringSettingValue'
        }
        @{
            settingName='EnableControlledFolderAccess'
            settingDefinitionId='device_vendor_msft_policy_config_defender_enablecontrolledfolderaccess'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance'
            settingInstanceTemplateId='88286be0-5a51-4238-bcf9-e8db1c3f0023'
            settingValueTemplateId='93eb92ec-85b7-49fa-87df-09ccc59e390f'
        }
        @{
            settingName='ControlledFolderAccessAllowedApplications'
            settingDefinitionId='device_vendor_msft_policy_config_defender_controlledfolderaccessallowedapplications'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationSimpleSettingCollectionInstance'
            settingInstanceTemplateId='7b7d300f-40cd-4708-a602-479e41b69647'
            settingValueType='#microsoft.graph.deviceManagementConfigurationStringSettingValue'
        }
        @{
            settingName='ControlledFolderAccessProtectedFolders'
            settingDefinitionId='device_vendor_msft_policy_config_defender_controlledfolderaccessprotectedfolders'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationSimpleSettingCollectionInstance'
            settingInstanceTemplateId='081cae44-3f9b-46b1-8eea-f9eb2e1e3031'
            settingValueType='#microsoft.graph.deviceManagementConfigurationStringSettingValue'
        }
        @{
            settingName='AttackSurfaceReductionRules'
            settingDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationGroupSettingCollectionInstance'
            settingInstanceTemplateId='d770fcd1-62cd-4217-9b20-9ee2a12062ff'
        }
        @{
            settingName='BlockAdobeReaderFromCreatingChildProcesses'
            settingDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules_blockadobereaderfromcreatingchildprocesses'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance'
            groupSettingCollectionDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules'
        }
        @{
            settingName='BlockExecutionOfPotentiallyObfuscatedScripts'
            settingDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules_blockexecutionofpotentiallyobfuscatedscripts'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance'
            groupSettingCollectionDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules'
        }
        @{
            settingName='BlockWin32APICallsFromOfficeMacros'
            settingDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules_blockwin32apicallsfromofficemacros'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance'
            groupSettingCollectionDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules'
        }
        @{
            settingName='BlockCredentialStealingFromWindowsLocalSecurityAuthoritySubsystem'
            settingDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules_blockcredentialstealingfromwindowslocalsecurityauthoritysubsystem'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance'
            groupSettingCollectionDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules'
        }
        @{
            settingName='BlockExecutableFilesRunningUnlessTheyMeetPrevalenceAgeTrustedListCriterion'
            settingDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules_blockexecutablefilesrunningunlesstheymeetprevalenceagetrustedlistcriterion'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance'
            groupSettingCollectionDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules'
        }
        @{
            settingName='BlockJavaScriptOrVBScriptFromLaunchingDownloadedExecutableContent'
            settingDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules_blockjavascriptorvbscriptfromlaunchingdownloadedexecutablecontent'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance'
            groupSettingCollectionDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules'
        }
        @{
            settingName='BlockOfficeCommunicationAppFromCreatingChildProcesses'
            settingDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules_blockofficecommunicationappfromcreatingchildprocesses'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance'
            groupSettingCollectionDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules'
        }
        @{
            settingName='BlockAllOfficeApplicationsFromCreatingChildProcesses'
            settingDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules_blockallofficeapplicationsfromcreatingchildprocesses'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance'
            groupSettingCollectionDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules'
        }
        @{
            settingName='BlockUntrustedUnsignedProcessesThatRunFromUSB'
            settingDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules_blockuntrustedunsignedprocessesthatrunfromusb'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance'
            groupSettingCollectionDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules'
        }
        @{
            settingName='BlockProcessCreationsFromPSExecAndWMICommands'
            settingDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules_blockprocesscreationsfrompsexecandwmicommands'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance'
            groupSettingCollectionDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules'
        }
        @{
            settingName='BlockPersistenceThroughWMIEventSubscription'
            settingDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules_blockpersistencethroughwmieventsubscription'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance'
            groupSettingCollectionDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules'
        }
        @{
            settingName='BlockOfficeApplicationsFromCreatingExecutableContent'
            settingDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules_blockofficeapplicationsfromcreatingexecutablecontent'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance'
            groupSettingCollectionDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules'
        }
        @{
            settingName='BlockOfficeApplicationsFromInjectingCodeIntoOtherProcesses'
            settingDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules_blockofficeapplicationsfrominjectingcodeintootherprocesses'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance'
            groupSettingCollectionDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules'
        }
        @{
            settingName='UseAdvancedProtectionAgainstRansomware'
            settingDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules_useadvancedprotectionagainstransomware'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance'
            groupSettingCollectionDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules'
        }
        @{
            settingName='BlockExecutableContentFromEmailClientAndWebmail'
            settingDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules_blockexecutablecontentfromemailclientandwebmail'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance'
            groupSettingCollectionDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules'
        }
        @{
            settingName='BlockAbuseOfExploitedVulnerableSignedDrivers'
            settingDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules_blockabuseofexploitedvulnerablesigneddrivers'
            settingDefinitionType='#microsoft.graph.deviceManagementConfigurationChoiceSettingInstance'
            groupSettingCollectionDefinitionId='device_vendor_msft_policy_config_defender_attacksurfacereductionrules'
        }
    )

    #write-verbose -Message ( $DSCParams|out-string)
    $settings=@()
    foreach ($settingDefinition in $settingDefinitions)
    {

        $setting=@{}
        $value=$DSCParams["$($settingDefinition.settingName)"]
        if($value)
        {
            if([string]::IsNullOrEmpty($settingDefinition.groupSettingCollectionDefinitionId))
            {
                $setting.add("@odata.type","#microsoft.graph.deviceManagementConfigurationSetting")
            }
            $formatParams=@{}
            $formatParams.Add('DSCParams',@{$settingDefinition.settingName=$value})
            $formatParams.Add('settingDefinitionId',$settingDefinition.settingDefinitionId)
            $formatParams.Add('settingDefinitionType',$settingDefinition.settingDefinitionType)
            if(-Not [string]::IsNullOrEmpty($settingDefinition.settingInstanceTemplateId))
            {
                $formatParams.Add('settingInstanceTemplateId',$settingDefinition.settingInstanceTemplateId)
            }
            if(-Not [string]::IsNullOrEmpty($settingDefinition.settingValueTemplateId))
            {
                $formatParams.Add('SettingValueTemplateId',$settingDefinition.settingValueTemplateId)
            }
            if(-Not [string]::IsNullOrEmpty($settingDefinition.settingValueType))
            {
                $formatParams.Add('settingValueType',$settingDefinition.settingValueType)
            }
            $myFormattedSetting= Convert-M365DSCParamsToSettingInstance @formatParams

            if(-Not [string]::IsNullOrEmpty($settingDefinition.groupSettingCollectionDefinitionId))
            {
                $mySetting=$settings.settingInstance|Where-Object -FilterScript {$_.settingDefinitionId -eq $settingDefinition.groupSettingCollectionDefinitionId }
                if($null -eq $mySetting)
                {
                    $parentSetting=@{}
                    $parentSetting.add("@odata.type","#microsoft.graph.deviceManagementConfigurationSetting")
                    $mySettingDefinition=$settingDefinitions|Where-Object -FilterScript {$_.settingDefinitionId -eq $settingDefinition.groupSettingCollectionDefinitionId}
                    $mySettingDefinitionFormatted=Convert-M365DSCParamsToSettingInstance `
                        -DSCParams @{$mySettingDefinition.settingName=@{}} `
                        -SettingDefinitionId $mySettingDefinition.settingDefinitionId `
                        -SettingDefinitionType $mySettingDefinition.settingDefinitionType `
                        -SettingInstanceTemplateId $mySettingDefinition.settingInstanceTemplateId
                    $parentSetting.add('settingInstance',$mySettingDefinitionFormatted)
                    $settings+=$parentSetting
                    $mySetting=$settings.settingInstance|Where-Object -FilterScript {$_.settingDefinitionId -eq $settingDefinition.groupSettingCollectionDefinitionId }
                }
                $mySetting.groupSettingCollectionValue[0].children+=$myFormattedSetting
            }
            else
            {
                $setting.add('settingInstance',$myFormattedSetting)
                $settings+=$setting
            }

        }
    }

    return $settings
}



function New-MgDeviceManagementConfigurationPolicy
{
    [CmdletBinding()]
    param (

        [Parameter(Mandatory = 'true')]
        [System.String]
        $DisplayName,

        [Parameter()]
        [System.String]
        $Description,

        [Parameter()]
        [System.String]
        $TemplateReferenceId,

        [Parameter()]
        [System.String]
        $Platforms,

        [Parameter()]
        [System.String]
        $Technologies,

        [Parameter()]
        [System.Array]
        $Settings
    )

    $templateReference=@{
        "templateId"=$TemplateReferenceId
    }

    $Uri="https://graph.microsoft.com/beta/deviceManagement/ConfigurationPolicies"
    $policy=[ordered]@{
    "name"=$DisplayName
    "description"=$Description
    "platforms"=$Platforms
    "technologies"=$Technologies
    "templateReference"=$templateReference
    "settings"=$Settings
    }
    #write-verbose (($policy|ConvertTo-Json -Depth 20))
    Invoke-MgGraphRequest -Method POST `
        -Uri $Uri `
        -ContentType "application/json" `
        -Body ($policy|ConvertTo-Json -Depth 20)
}

function Update-MgDeviceManagementConfigurationPolicy
{
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = 'true')]
        [System.String]
        $Identity,

        [Parameter()]
        [System.String]
        $DisplayName,

        [Parameter()]
        [System.String]
        $Description,

        [Parameter()]
        [System.String]
        $TemplateReferenceId,

        [Parameter()]
        [System.String]
        $Platforms,

        [Parameter()]
        [System.String]
        $Technologies,

        [Parameter()]
        [System.Array]
        $Settings
    )

    $templateReference=@{
        "templateId"=$TemplateReferenceId
    }

    $Uri="https://graph.microsoft.com/beta/deviceManagement/ConfigurationPolicies/$Identity"
    $policy=[ordered]@{
    "name"=$DisplayName
    "description"=$Description
    "platforms"=$Platforms
    "technologies"=$Technologies
    "templateReference"=$templateReference
    "settings"=$Settings
    }

    #write-verbose (($policy|ConvertTo-Json -Depth 20))

    Invoke-MgGraphRequest -Method PUT `
        -Uri $Uri `
        -ContentType "application/json" `
        -Body ($policy|ConvertTo-Json -Depth 20)
}

function Remove-MgDeviceManagementConfigurationPolicy
{
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = 'true')]
        [System.String]
        $Identity
    )

    $Uri="https://graph.microsoft.com/beta/deviceManagement/ConfigurationPolicies/$Identity"

    Invoke-MgGraphRequest -Method DELETE -Uri $Uri
}
function Get-MgDeviceManagementConfigurationPolicySetting
{
    [CmdletBinding()]
    [OutputType([System.Collections.Hashtable])]
    param (
        [Parameter(Mandatory = 'true')]
        [System.String]
        $DeviceManagementConfigurationPolicyId
    )
    try
    {
        $configurationPolicySettings=@()

        $Uri="https://graph.microsoft.com/beta/deviceManagement/configurationPolicies/$DeviceManagementConfigurationPolicyId/settings"
        $results=Invoke-MgGraphRequest -Method GET  -Uri $Uri -ErrorAction Stop
        $configurationPolicySettings+= $results.value.settingInstance
        while($results."@odata.nextLink")
        {
            $Uri=$results."@odata.nextLink"
            $results=Invoke-MgGraphRequest -Method GET -Uri $Uri -ErrorAction Stop
            $configurationPolicySettings+= $results.value.settingInstance
        }
        return $configurationPolicySettings
    }
    catch
    {
        try
        {
            Write-Verbose -Message $_
            $tenantIdValue = ""
            $tenantIdValue = $Credential.UserName.Split('@')[1]
            Add-M365DSCEvent -Message $_ -EntryType 'Error' `
                -EventID 1 -Source $($MyInvocation.MyCommand.Source) `
                -TenantId $tenantIdValue
        }
        catch
        {
            Write-Verbose -Message $_
        }
        return $null
    }


}
function Get-MgDeviceManagementConfigurationPolicyAssignments
{
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = 'true')]
        [System.String]
        $DeviceManagementConfigurationPolicyId
    )
    try
    {
        $configurationPolicyAssignments=@()

        $Uri="https://graph.microsoft.com/beta/deviceManagement/configurationPolicies/$DeviceManagementConfigurationPolicyId/assignments"
        $results=Invoke-MgGraphRequest -Method GET  -Uri $Uri -ErrorAction Stop
        foreach($result in $results.value.target)
        {
            $configurationPolicyAssignments+=@{
                dataType=$result."@odata.type"
                groupId=$result.groupId
                collectionId=$result.collectionId
                deviceAndAppManagementAssignmentFilterType=$result.deviceAndAppManagementAssignmentFilterType
                deviceAndAppManagementAssignmentFilterId=$result.deviceAndAppManagementAssignmentFilterId
            }
        }

        while($results."@odata.nextLink")
        {
            $Uri=$results."@odata.nextLink"
            $results=Invoke-MgGraphRequest -Method GET -Uri $Uri -ErrorAction Stop
            foreach($result in $results.value.target)
            {
                $configurationPolicyAssignments+=@{
                    dataType=$result."@odata.type"
                    groupId=$result.groupId
                    collectionId=$result.collectionId
                    deviceAndAppManagementAssignmentFilterType=$result.deviceAndAppManagementAssignmentFilterType
                    deviceAndAppManagementAssignmentFilterId=$result.deviceAndAppManagementAssignmentFilterId
                }
            }
        }
        return $configurationPolicyAssignments
    }
    catch
    {
        try
        {
            Write-Verbose -Message $_
            $tenantIdValue = ""
            $tenantIdValue = $Credential.UserName.Split('@')[1]
            Add-M365DSCEvent -Message $_ -EntryType 'Error' `
                -EventID 1 -Source $($MyInvocation.MyCommand.Source) `
                -TenantId $tenantIdValue
        }
        catch
        {
            Write-Verbose -Message $_
        }
        return $null
    }


}
function Update-MgDeviceManagementConfigurationPolicyAssignments
{
    [CmdletBinding()]
    [OutputType([System.Collections.Hashtable])]
    param (
        [Parameter(Mandatory = 'true')]
        [System.String]
        $DeviceManagementConfigurationPolicyId,

        [Parameter()]
        [Array]
        $Targets
    )
    try
    {
        $configurationPolicyAssignments=@()

        $Uri="https://graph.microsoft.com/beta/deviceManagement/configurationPolicies/$DeviceManagementConfigurationPolicyId/assign"

        foreach($target in $targets)
        {
            $formattedTarget=@{"@odata.type"=$target.dataType}
            if($target.groupId)
            {
                $formattedTarget.Add('groupId',$target.groupId)
            }
            if($target.collectionId)
            {
                $formattedTarget.Add('collectionId',$target.collectionId)
            }
            if($target.deviceAndAppManagementAssignmentFilterType)
            {
                $formattedTarget.Add('deviceAndAppManagementAssignmentFilterType',$target.deviceAndAppManagementAssignmentFilterType)
            }
            if($target.deviceAndAppManagementAssignmentFilterId)
            {
                $formattedTarget.Add('deviceAndAppManagementAssignmentFilterId',$target.deviceAndAppManagementAssignmentFilterId)
            }
            $configurationPolicyAssignments+=@{'target'= $formattedTarget}
        }
        $body=@{'assignments'=$configurationPolicyAssignments}|ConvertTo-Json -Depth 20
        #write-verbose -Message $body
        Invoke-MgGraphRequest -Method POST -Uri $Uri -Body $body -ErrorAction Stop

    }
    catch
    {
        try
        {
            Write-Verbose -Message $_
            $tenantIdValue = ""
            $tenantIdValue = $Credential.UserName.Split('@')[1]
            Add-M365DSCEvent -Message $_ -EntryType 'Error' `
                -EventID 1 -Source $($MyInvocation.MyCommand.Source) `
                -TenantId $tenantIdValue
        }
        catch
        {
            Write-Verbose -Message $_
        }
        return $null
    }
}
function Get-MgDeviceManagementConfigurationSettingDefinition
{
    [CmdletBinding()]
    [OutputType([System.Collections.Hashtable])]
    param (

        [Parameter(Mandatory = $true)]
        [System.String]
        $Identity
    )
    try
    {
        $Uri="https://graph.microsoft.com/beta/deviceManagement/ConfigurationSettings/$($Identity.tolower())"
        $configurationPolicySetting=Invoke-MgGraphRequest -Method GET  -Uri $Uri -ErrorAction Stop
        return $configurationPolicySetting
    }
    catch
    {
        try
        {
            Write-Verbose -Message $_
            $tenantIdValue = ""
            $tenantIdValue = $Credential.UserName.Split('@')[1]
            Add-M365DSCEvent -Message $_ -EntryType 'Error' `
                -EventID 1 -Source $($MyInvocation.MyCommand.Source) `
                -TenantId $tenantIdValue
        }
        catch
        {
            Write-Verbose -Message $_
        }
        return $null
    }


}
function Get-M365DSCDRGComplexTypeToHashtable
{
    [CmdletBinding()]
    param(
        [Parameter()]
        $ComplexObject
    )

    if($null -eq $ComplexObject)
    {
        return $null
    }

    if($ComplexObject.gettype().fullname -like "*[[\]]")
    {
        $results=@()

        foreach($item in $ComplexObject)
        {
            if($item)
            {
                $hash = Get-M365DSCDRGComplexTypeToHashtable -ComplexObject $item
                $results+=$hash
            }
        }
        if($results.count -eq 0)
        {
            return $null
        }
        return $results
    }

    $results = @{}
    $keys = $ComplexObject | Get-Member | Where-Object -FilterScript {$_.MemberType -eq 'Property' -and $_.Name -ne 'AdditionalProperties'}

    foreach ($key in $keys)
    {
        if($ComplexObject.$($key.Name))
        {
            $results.Add($key.Name, $ComplexObject.$($key.Name))
        }
    }
    if($results.count -eq 0)
    {
        return $null
    }
    return $results
}

function Get-M365DSCDRGComplexTypeToString
{
    [CmdletBinding()]
    #[OutputType([System.String])]
    param(
        [Parameter()]
        $ComplexObject,

        [Parameter(Mandatory = $true)]
        [System.String]
        $CIMInstanceName,

        [System.String]
        $Whitespace="",

        [switch]
        $isArray=$false
    )
    if ($null -eq $ComplexObject)
    {
        return $null
    }

    #If ComplexObject is an Array
    if ($ComplexObject.GetType().FullName -like "*[[\]]")
    {
        $currentProperty=@()
        foreach ($item in $ComplexObject)
        {
            $currentProperty += Get-M365DSCDRGComplexTypeToString `
                -ComplexObject $item `
                -isArray:$true `
                -CIMInstanceName $CIMInstanceName `
                -Whitespace " "

        }
        if ([string]::IsNullOrEmpty($currentProperty))
        {
            return $null
        }
        return $currentProperty

    }

    #If ComplexObject is a single CIM Instance
    if(-Not (Test-M365DSCComplexObjectHasValues -ComplexObject $ComplexObject))
    {
        return $null
    }
    $currentProperty = "MSFT_$CIMInstanceName{`r`n"
    $keyNotNull = 0
    foreach ($key in $ComplexObject.Keys)
    {
        if ($ComplexObject[$key])
        {
            $keyNotNull++

            if ($ComplexObject[$key].GetType().FullName -like "Microsoft.Graph.PowerShell.Models.*")
            {
                $hashPropertyType=$ComplexObject[$key].GetType().Name.tolower()
                $hashProperty=Get-M365DSCDRGComplexTypeToHashtable -ComplexObject $ComplexObject[$key]

                if (Test-M365DSCComplexObjectHasValues -ComplexObject $hashProperty)
                {
                    $Whitespace+=" "
                    if(-not $isArray)
                    {
                        $currentProperty += " " + $key + " = "
                    }
                    $currentProperty += Get-M365DSCDRGComplexTypeToString `
                                    -ComplexObject $hashProperty `
                                    -CIMInstanceName $hashPropertyType `
                                    -Whitespace $Whitespace
                }
            }
            else
            {
                $currentProperty += Get-M365DSCDRGSimpleObjectTypeToString -Key $key -Value $ComplexObject[$key]
            }
        }
    }
    $currentProperty += " }`r`n"

    if ($keyNotNull -eq 0)
    {
        $currentProperty = $null
    }

    return $currentProperty
}

function Test-M365DSCComplexObjectHasValues
{
    [CmdletBinding()]
    [OutputType([System.Boolean])]
    param(
        [System.Collections.Hashtable]
        [Parameter()]
        $ComplexObject
    )
    if(-Not $ComplexObject)
    {
        return $false
    }

    $keys=$ComplexObject.keys
    $hasValue=$false
    foreach($key in $keys)
    {
        if($ComplexObject[$key])
        {
            if($ComplexObject[$key].GetType().FullName -like "Microsoft.Graph.PowerShell.Models.*")
            {
                $hash=Get-M365DSCDRGComplexTypeToHashtable -ComplexObject $ComplexObject[$key]
                if(-Not $hash)
                {
                    return $false
                }
                $hasValue=Test-M365DSCComplexObjectHasValues -ComplexObject ($hash)
            }
            else
            {
                $hasValue=$true
                return $hasValue
            }
        }
    }
    return $hasValue
}
Function Get-M365DSCDRGSimpleObjectTypeToString
{
    [CmdletBinding()]
    [OutputType([System.String])]
    param(
        [Parameter(Mandatory = 'true')]
        [System.String]
        $Key,

        [Parameter(Mandatory = 'true')]
        $Value
    )

    $returnValue=""
    switch -Wildcard ($Value.GetType().Fullname )
    {
        "*.Boolean"
        {
            $returnValue= " " + $Key + " = `$" + $Value.ToString() + "`r`n"
        }
        "*.String"
        {
            $delimeter="'"
            if($Value.startswith("MSFT_"))
            {
                $delimeter=""
            }
            $returnValue= " " + $Key + " = $delimeter" + $Value + "$delimeter`r`n"
        }
        "*.DateTime"
        {
            $returnValue= " " + $Key + " = '" + $Value + "'`r`n"
        }
        "*.Hashtable"
        {
            if($Value.keys.count -eq 0)
            {
                return ""
            }

            $returnValue= " " + $key + " = @{`r`n"
            $whitespace=" "
            $newline="`r`n"
            foreach($k in $Value.keys)
            {
                switch -Wildcard ($Value[$k].GetType().Fullname )
                {
                    "*.String"
                    {
                        $returnValue += "$whitespace$k = '$($Value[$k])'$newline"
                    }
                    "*.DateTime"
                    {
                        $returnValue += "$whitespace$k = '$($Value[$k])'$newline"
                    }
                    Default
                    {
                        $returnValue += "$whitespace$k = $($Value[$k])$newline"
                    }
                }
            }

            $returnValue += " }`r`n"
        }
        "*[[\]]"
        {
            $returnValue= " " + $key + " = @("
            $whitespace=""
            $newline=""
            if($Value.count -gt 1)
            {
                $returnValue += "`r`n"
                $whitespace=" "
                $newline="`r`n"
            }
            foreach ($item in $Value)
            {
                switch -Wildcard ($item.GetType().Fullname )
                {
                    "*.String"
                    {
                        $delimeter="'"
                        if($Value.startswith("MSFT_"))
                        {
                            $delimeter=""
                        }
                        $returnValue += "$whitespace$delimeter$item$delimeter$newline"
                    }
                    "*.DateTime"
                    {
                        $returnValue += "$whitespace'$item'$newline"
                    }
                    Default
                    {
                        $returnValue += "$whitespace$item$newline"
                    }
                }
            }
            if($Value.count -gt 1)
            {
                $returnValue += " )`r`n"
            }
            else
            {
                $returnValue += ")`r`n"

            }
        }
        Default
        {
            $returnValue= " " + $Key + " = " + $Value + "`r`n"
        }
    }
    return $returnValue
}
function Get-M365DSCAdditionalProperties
{
    [CmdletBinding()]
    [OutputType([System.Collections.Hashtable])]
    param(
        [Parameter(Mandatory = 'true')]
        [System.Collections.Hashtable]
        $Properties
    )

    $results = @{"@odata.type" = "#microsoft.graph.agreement" }
    foreach ($property in $properties.Keys)
    {
        if ($property -ne 'Verbose')
        {
            $propertyName = $property[0].ToString().ToLower() + $property.Substring(1, $property.Length - 1)
            $propertyValue = $properties.$property
            $results.Add($propertyName, $propertyValue)
        }
    }
    return $results
}
function Compare-M365DSCComplexObject
{
    [CmdletBinding()]
    [OutputType([System.Boolean])]
    param(
        [Parameter()]
        $Source,

        [Parameter()]
        $Target
    )

    if (($null -eq $Source) -and ($null -eq $Target))
    {
        return $true
    }

    $keys= $Source.Keys|Where-Object -FilterScript {$_ -ne "PSComputerName"}
    foreach ($key in $keys)
    {
        #Marking Target[key] to null if empty complex object or array
        if($null -ne $Target[$key])
        {
            switch -Wildcard ($Target[$key].getType().Fullname )
            {
                "Microsoft.Graph.PowerShell.Models.*"
                {
                    $hashProperty=Get-M365DSCDRGComplexTypeToHashtable -ComplexObject $Target[$key]
                    if(-not (Test-M365DSCComplexObjectHasValues -ComplexObject $hashProperty))
                    {
                        $Target[$key]=$null
                    }
                }
                "*[[\]]"
                {
                    if($Target[$key].count -eq 0)
                    {
                        $Target[$key]=$null
                    }
                }
                "*DateTime"
                {
                    $Target[$key]=$Target[$key].tostring("MM/dd/yyyy HH:mm:ss")
                }
            }
        }

        #One of the item is null
        if (($null -eq $Source[$key]) -xor ($null -eq $Target[$key]))
        {
            if($null -eq $Target[$key])
            {
                $nullKey="Source={$($Source[$key]|out-string)} Target={null}"
            }
            if($null -eq $Source[$key])
            {
                $nullKey="Source={null} Target={$($Target[$key]|out-string)}"
            }
            Write-Verbose -Message "Configuration drift key: $key - one of the object null and not the other: $nullKey"

            return $false
        }
        #Both source and target aren't null or empty
        if(($null -ne $Source[$key]) -and ($null -ne $Target[$key]))
        {
            if($Source[$key].getType().FullName -like "*CimInstance*")
            {
                #Recursive call for complex object
                $itemSource=@()
                $itemSource+= $Source[$key]
                $itemTarget= @()
                $itemTarget+= $Target[$key]

                $i=0
                foreach($item in $itemSource)
                {
                    if(-not ($itemSource[$i].getType().Fullname -like "*.Hashtable"))
                    {
                        $itemSource[$i]=Get-M365DSCDRGComplexTypeToHashtable -ComplexObject $itemSource[$i]
                    }
                    if(-not ($itemTarget[$i].getType().Fullname -like "*.Hashtable"))
                    {
                        $itemTarget[$i]=Get-M365DSCDRGComplexTypeToHashtable -ComplexObject $itemTarget[$i]
                    }

                    #Recursive call for complex object
                    $compareResult= Compare-M365DSCComplexObject `
                        -Source ($itemSource[$i]) `
                        -Target ($itemTarget[$i])


                    if(-not $compareResult)
                    {
                        Write-Verbose -Message "Complex Object drift key: $key - Source $($itemSource[$i]|out-string)"
                        Write-Verbose -Message "Complex Object drift key: $key - Target $($itemTarget[$i]|out-string)"
                        return $false
                    }
                    $i++
                }
            }
            else
            {
                #Simple object comparison
                $referenceObject=$Target[$key]
                $differenceObject=$Source[$key]

                $compareResult = Compare-Object `
                    -ReferenceObject ($referenceObject) `
                    -DifferenceObject ($differenceObject)

                if ($null -ne $compareResult)
                {
                    Write-Verbose -Message "Simple Object drift key: $key - Source $($referenceObject|out-string)"
                    Write-Verbose -Message "Simple Object drift key: $key - Target $($differenceObject|out-string)"
                    return $false
                }

            }
        }
    }

    return $true
}

function Convert-M365DSCDRGComplexTypeToHashtable
{
    [CmdletBinding()]
    param(
        [Parameter(Mandatory = 'true')]
        $ComplexObject
    )

    if($ComplexObject.getType().Fullname -like "*[[\]]")
    {
        $results=@()
        foreach($item in $ComplexObject)
        {
            $hash=Convert-M365DSCDRGComplexTypeToHashtable -ComplexObject $item
            if(Test-M365DSCComplexObjectHasValues -ComplexObject $hash)
            {
                $results+=$hash
            }
        }
        if($results.count -eq 0)
        {
            return $null
        }
        return $Results
    }
    $hashComplexObject = Get-M365DSCDRGComplexTypeToHashtable -ComplexObject $ComplexObject
    $results=$hashComplexObject.clone()
    $keys=$hashComplexObject.Keys|Where-Object -FilterScript {$_ -ne 'PSComputerName'}
    foreach ($key in $keys)
    {
        if(($null -ne $hashComplexObject[$key]) -and ($hashComplexObject[$key].getType().Fullname -like "*CimInstance*"))
        {
            $results[$key]=Convert-M365DSCDRGComplexTypeToHashtable -ComplexObject $hashComplexObject[$key]
        }
        if($null -eq $results[$key])
        {
            $results.remove($key)|out-null
        }

    }
    return $results
}

Export-ModuleMember -Function *-TargetResource