migrating-from-azuread-and-msonline-to-microsoft-graph-powershell-snippet-13.ps1

$spForApp = Get-AzADServicePrincipal -ApplicationId $app.AppId
if (-not ($spForApp)) {
    $spForApp = New-AzADServicePrincipal -ApplicationId $app.AppId
    foreach ($permission in $requiredPermissions) {
        Add-AzADAppPermission -ObjectId $app.Id -ApiId $apiId -PermissionId $permission
    }
    Write-Verbose -Message "Azure Service Principal created: $($spForApp.Id)"
} else {
    Write-Verbose -Message "Service Principal already exists"
}