Find Graph permissions for cmdlets

# Review required modules and connection steps before running.
# Connect to Microsoft Graph or Exchange Online as needed for this script.

[array]$InputCmdlets = "Get-MgUser", "Get-MgGroup", "New-MgPlannerTask"
[array]$RequiredPermissions = $null
 
ForEach ($Command in $InputCmdlets) {
    $Permissions = (Find-MgGraphCommand -Command $Command | Select-Object -ExpandProperty Permissions).Name
    ForEach ($Permission in $Permissions) {
        If ($Permission -notin $RequiredPermissions) {
            $RequiredPermissions += $Permission
        }
    }
}
Write-Host ("To use these {0} cmdlets, you need the following permissions: {1}" -f ($InputCmdlets -join ", "), ($RequiredPermissions -join ", "))