functions/customSecurityAttributes/customSecurityAttributeDefinitions/Register-TmfCustomSecurityAttributeDefinition.ps1

function Register-TmfCustomSecurityAttributeDefinition
{
    [CmdletBinding()]
    Param (
        [Parameter(Mandatory = $true)]
        [string] $displayName,
        [Parameter(Mandatory = $true)]
        [string] $description,
        [Parameter(Mandatory = $true)]
        [string] $attributeSet,
        [Parameter(Mandatory = $true)]
        [bool] $isCollection,
        [Parameter(Mandatory = $true)]
        [bool] $isSearchable,
        [Parameter(Mandatory = $true)]
        [string] $status,
        [Parameter(Mandatory = $true)]
        [string] $type,
        [Parameter(Mandatory = $true)]
        [bool] $usePreDefinedValuesOnly,
        [object[]] $allowedValues,
        [bool] $present = $true,
        [string] $sourceConfig = "<Custom>",

        [System.Management.Automation.PSCmdlet]
        $Cmdlet = $PSCmdlet
    )
    
    begin
    {
        $resourceName = "customSecurityAttributeDefinitions"
        if (!$script:desiredConfiguration[$resourceName]) {
            $script:desiredConfiguration[$resourceName] = @()
        }

        $name = $displayName
        $displayName = "$($attributeSet)_$($name)"

        if ($script:desiredConfiguration[$resourceName].displayName -contains $displayName) {            
            $alreadyLoaded = $script:desiredConfiguration[$resourceName] | Where-Object {$_.displayName -eq $displayName}
        }

    }
    process
    {
        if (Test-PSFFunctionInterrupt) { return }                

        $object = [PSCustomObject]@{        
            displayName = $displayName
            description = $description
            name = $name
            attributeSet = $attributeSet
            isCollection = $isCollection
            isSearchable = $isSearchable
            status = $status
            type = $type
            usePreDefinedValuesOnly = $usePreDefinedValuesOnly
            present = $present
            sourceConfig = $sourceConfig
        }
    
        Add-Member -InputObject $object -MemberType ScriptMethod -Name Properties -Value { ($this | Get-Member -MemberType NoteProperty).Name }

        foreach ($allowedValue in $allowedValues) {
            $resource = $allowedValue | Add-Member -NotePropertyMembers @{sourceConfig = $sourceConfig; attributeId = $displayName; present = $present} -PassThru | ConvertTo-PSFHashtable -Include $((Get-Command Register-TmfCustomSecurityAttributeAllowedValue).Parameters.Keys)            
            Register-TmfCustomSecurityAttributeAllowedValue @resource -Cmdlet $PSCmdlet
        }

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