Private/Get-GroupMemberships.ps1
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function Get-GroupMemberships { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [string]$ObjectId, [Parameter(Mandatory = $true)] [ValidateSet("User", "Device")] [string]$ObjectType ) $memberships = [System.Collections.ArrayList]::new() $uri = "$script:GraphEndpoint/beta/$($ObjectType.ToLower())s/$ObjectId/transitiveMemberOf/microsoft.graph.group?`$select=id,displayName" try { $pagedMemberships = @((Invoke-IACGraphRequest -Uri $uri -Method Get).value) if ($pagedMemberships.Count -gt 0) { $memberships.AddRange([object[]]$pagedMemberships) } return $memberships } catch { Write-Warning "Error fetching group memberships for $ObjectType '$ObjectId': $($_.Exception.Message)" throw } } |