Powershell Get-PowerBIDatasource - Name is blank

I'm using the following Powershell script to output a file that includes Workspace, dataset and datasource info. The Datasource name is always coming back empty. How can I loop through and get the info I want?

Install-Module -Name MicrosoftPowerBIMgmt -Scope CurrentUser

Login-PowerBI

$Workspace = Get-PowerBIWorkspace –All

$DataSets =

   ForEach ($workspace in $Workspace)

    {
Write-Host "Workspace: "
    Write-Host $workspace.Name
    

    ForEach ($dataset in (Get-PowerBIDataset -WorkspaceId $workspace.Id))

        {
		ForEach ($ds in (Get-PowerBIDatasource -DatasetId $dataset.Id -Scope Organization))
			{
        			[pscustomobject]@{

            			WorkspaceName = $Workspace.Name

            			WorkspaceID = $workspace.Id

            			DatasetName = $dataset.Name

            			DatasetID = $dataset.Id

					DatasourceName = $ds.Name
				}

            	}

        }

    }

   $Dir = "C:\pbi_test.csv"

   $DataSets | Export-Csv $Dir -NoTypeInformation -Encoding UTF8

   Write-Host "File created in " $Dir

   Disconnect-PowerBIServiceAccount