functions/entitlementManagement/accessPackageAssignmentPolicies/Register-TmfAccessPackageAssignmentPolicy.ps1

function Register-TmfAccessPackageAssignmentPolicy
{
    [CmdletBinding()]
    Param (
        [Parameter(Mandatory = $true, ParameterSetName = "autoAssigned")]
        [Parameter(Mandatory = $true, ParameterSetName = "assigned")]
        [string] $displayName,
        [Parameter(ParameterSetName = "autoAssigned")]
        [Parameter(ParameterSetName = "assigned")]
        [string[]] $oldNames,
        [Parameter(ParameterSetName = "autoAssigned")]
        [Parameter(ParameterSetName = "assigned")]
        [string] $description = "Access Package Assignment Policy has been created with Tenant Management Framework",
        [Parameter(Mandatory = $true, ParameterSetName = "autoAssigned")]
        [Parameter(Mandatory = $true, ParameterSetName = "assigned")]
        [string] $accessPackage,
        [Parameter(Mandatory = $true, ParameterSetName = "autoAssigned")]
        [Parameter(Mandatory = $true, ParameterSetName = "assigned")]
        [ValidateSet("notSpecified","specificDirectoryUsers","specificConnectedOrganizationUsers","specificDirectoryServicePrincipals","allMemberUsers","allDirectoryUsers","allDirectoryServicePrincipals","allConfiguredConnectedOrganizationUsers","allExternalUsers","unknownFutureValue")]
        [string] $allowedTargetScope,
        [Parameter(Mandatory = $true, ParameterSetName = "autoAssigned")]
        [Parameter(ParameterSetName = "assigned")]
        [object[]] $specificAllowedTargets,
        [Parameter(Mandatory = $true, ParameterSetName = "assigned")]
        [object] $expiration,
        [Parameter(ParameterSetName = "assigned")]
        [object] $reviewSettings,
        [Parameter(ParameterSetName = "assigned")]
        [object] $requestApprovalSettings,
        [Parameter(ParameterSetName = "assigned")]
        [object] $requestorSettings,
        [Parameter(Mandatory = $true, ParameterSetName = "autoAssigned")]
        [object] $automaticRequestSettings, 
        [Parameter(ParameterSetName = "autoAssigned")]
        [Parameter(ParameterSetName = "assigned")]
        [bool] $present = $true,
        [Parameter(ParameterSetName = "autoAssigned")]
        [Parameter(ParameterSetName = "assigned")]
        [string] $sourceConfig = "<Custom>",
        [Parameter(ParameterSetName = "autoAssigned")]
        [Parameter(ParameterSetName = "assigned")]
        [System.Management.Automation.PSCmdlet]
        $Cmdlet = $PSCmdlet
    )
    
    begin
    {
        $resourceName = "accessPackageAssignmentPolicies"
        if (!$script:desiredConfiguration[$resourceName]) {
            $script:desiredConfiguration[$resourceName] = @()
        }

        if ($script:desiredConfiguration[$resourceName] | Where-Object {$_.displayName -eq $displayName -and $_.accessPackage -eq $accessPackage}) {            
            $alreadyLoaded = $script:desiredConfiguration[$resourceName] | Where-Object {$_.displayName -eq $displayName -and $_.accessPackage -eq $accessPackage}
        }
    }
    process
    {
        if (Test-PSFFunctionInterrupt) { return }                

        $object = [PSCustomObject]@{        
            displayName = $displayName
            accessPackage = $accessPackage
            description = $description
            allowedTargetScope = $allowedTargetScope
            present = $present
            sourceConfig = $sourceConfig
        }

        if ($PSBoundParameters.ContainsKey("oldNames")) {
            Add-Member -InputObject $object -MemberType NoteProperty -Name "oldNames" -Value @($oldNames | ForEach-Object {Resolve-String $_})
        }

        "reviewSettings", "requestApprovalSettings", "requestorSettings", "specificAllowedTargets", "expiration", "automaticRequestSettings" | ForEach-Object {
            if ($PSBoundParameters.ContainsKey($_)) {
                if ($script:supportedResources[$resourceName]["validateFunctions"].ContainsKey($_)) {
                    $validated = $PSBoundParameters[$_] | ConvertTo-PSFHashtable -Include $($script:supportedResources[$resourceName]["validateFunctions"][$_].Parameters.Keys)
                    $validated = & $script:supportedResources[$resourceName]["validateFunctions"][$_] @validated -Cmdlet $Cmdlet
                }
                else {
                    $validated = $PSBoundParameters[$_] | ConvertTo-PSFHashtable
                }
                Add-Member -InputObject $object -MemberType NoteProperty -Name $_ -Value $validated
            }            
        }

        Add-Member -InputObject $object -MemberType ScriptMethod -Name accessPackageId -Value { Resolve-AccessPackage -InputReference $this.accessPackage -Cmdlet $Cmdlet -DontFailIfNotExisting }
        Add-Member -InputObject $object -MemberType ScriptMethod -Name Properties -Value { ($this | Get-Member -MemberType NoteProperty).Name }

        if ($alreadyLoaded) {
            $script:desiredConfiguration[$resourceName][$script:desiredConfiguration[$resourceName].IndexOf($alreadyLoaded)] = $object
        }
        else {
            $script:desiredConfiguration[$resourceName] += $object
        }
    }
}