functions/directorySettings/Invoke-TmfDirectorySetting.ps1

function Invoke-TmfDirectorySetting {
    <#
        .SYNOPSIS
            Performs the required actions for a resource type against the connected Tenant.
    #>

    [CmdletBinding()]
    Param (
        [string[]] $SpecificResources,
        [System.Management.Automation.PSCmdlet]
        $Cmdlet = $PSCmdlet
    )
    
    begin
    {
        $resourceName = "DirectorySettings"
        if (!$script:desiredConfiguration[$resourceName]) {
            Stop-PSFFunction -String "TMF.NoDefinitions" -StringValues "directorySetting"
            return
        }
        Test-GraphConnection -Cmdlet $Cmdlet
    }
    process
    {
        if(Test-PSFFunctionInterrupt) {return}
        if ($SpecificResources) {
            $testResults = Test-TmfDirectorySetting -SpecificResources $SpecificResources -Cmdlet $Cmdlet
        }
        else {
            $testResults = Test-TmfDirectorySetting -Cmdlet $Cmdlet
        }

        foreach ($result in $testResults) {
            Beautify-TmfTestResult -TestResult $result -FunctionName $MyInvocation.MyCommand
            switch ($result.ActionType) {
                "Create" {

                    $requestUrl = "$script:graphBaseUrl/settings"
                    $requestMethod = "POST"
                    $requestBody  = @{
                        "templateId" = $result.DesiredConfiguration.templateId
                    }
                    $requestBody["values"] = @()
                    $result.DesiredConfiguration.properties() | Where-Object {$_ -notin @("displayname","present","sourceConfig","templateId")} | ForEach-Object {
                        $requestBody["values"] += @{
                            "name" = $_
                            "value" = [string]$result.DesiredConfiguration.$_
                        }
                    }

                    $requestBody = $requestBody | ConvertTo-Json -ErrorAction Stop

                    Write-PSFMessage -Level Verbose -String "TMF.Invoke.SendingRequestWithBody" -StringValues $requestMethod, $requestUrl, $requestBody
                    try {
                        Invoke-MgGraphRequest -Method $requestMethod -Uri $requestUrl -Body $requestBody | Out-Null
                    }
                    catch {
                        Write-PSFMessage -Level Error -String "TMF.Invoke.ActionFailed" -StringValues $result.Tenant, $result.ResourceType, $result.ResourceName, $result.ActionType
                        throw $_
                    }                    
                }
                "Delete" {
                    $requestUrl = "$script:graphBaseUrl/settings/{0}" -f $result.GraphResource.Id
                    $requestMethod = "DELETE"

                    try {
                        Write-PSFMessage -Level Verbose -String "TMF.Invoke.SendingRequest" -StringValues $requestMethod, $requestUrl
                        Invoke-MgGraphRequest -Method $requestMethod -Uri $requestUrl | Out-Null
                    }
                    catch {
                        Write-PSFMessage -Level Error -String "TMF.Invoke.ActionFailed" -StringValues $result.Tenant, $result.ResourceType, $result.ResourceName, $result.ActionType
                        throw $_
                    }
                }
                "Update" {
                    $requestUrl = "$script:graphBaseUrl/settings/{0}" -f $result.GraphResource.Id
                    $requestMethod = "PATCH"
                    $requestBody = @{}
                    $requestBody["values"] = @()
                    $result.DesiredConfiguration.properties() | Where-Object {$_ -notin @("displayname","present","sourceConfig","templateId")} | ForEach-Object {
                        $requestBody["values"] += @{
                            "name" = $_
                            "value" = [string]$result.DesiredConfiguration.$_
                        }
                    }

                    $requestBody = $requestBody | ConvertTo-Json -ErrorAction Stop
                    Write-PSFMessage -Level Verbose -String "TMF.Invoke.SendingRequestWithBody" -StringValues $requestMethod, $requestUrl, $requestBody
                    try {
                        Invoke-MgGraphRequest -Method $requestMethod -Uri $requestUrl -Body $requestBody | Out-Null
                    }
                    catch {
                        Write-PSFMessage -Level Error -String "TMF.Invoke.ActionFailed" -StringValues $result.Tenant, $result.ResourceType, $result.ResourceName, $result.ActionType
                        throw $_
                    }
                }
                "NoActionRequired" {}
                default {
                    Write-PSFMessage -Level Warning -String "TMF.Invoke.ActionTypeUnknown" -StringValues $result.Tenant, $result.ResourceType, $result.ResourceName, (Get-ActionColor -Action $result.ActionType), $result.ActionType
                }
            }
            Write-PSFMessage -Level Host -String "TMF.Invoke.ActionCompleted" -StringValues $result.Tenant, $result.ResourceType, $result.ResourceName, (Get-ActionColor -Action $result.ActionType), $result.ActionType
        }

    }
}