Powershell Get-PowerBIDataflowDatasource Not Returning Data Source Folder Path

[s2online]

How can I retrieve the Path property in Powershell for a File or Folder data source? Get-PowerBIDataflowDatasource is not returning the Path property.

The code below shows that Database, Server and Url properties are being returned, but no Path property.

$FlowDataSources = Get-PowerBIDataflowDatasource -DataflowId xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx -Scope Organization

ForEach($datasource in $FlowDataSources) {
    write-host $datasource.DatasourceType
    get-member -inputobject $datasource.connectiondetails | format-table
    }

Result (note Folder type but Path property missing):

Folder
   TypeName: Microsoft.PowerBI.Common.Api.Shared.DatasourceConnectionDetails

Name        MemberType Definition                    
----        ---------- ----------                    
Equals      Method     bool Equals(System.Object obj)
GetHashCode Method     int GetHashCode()             
GetType     Method     type GetType()                
ToString    Method     string ToString()             
Database    Property   string Database {get;set;}    
Server      Property   string Server {get;set;}      
Url         Property   string Url {get;set;}      

I know the Path property is set for the data source because I can see it if I call REST directly:

invoke-PowerBIRestMethod -Method Get -Url "/groups/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/dataflows/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/datasources" -Verbose

Result shows the Path property in the JSON:

{
  "@odata.context":"http://wabi-australia-east-a-primary-redirect.analysis.windows.net/v1.0/myorg/groups/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/$metadata#datasources","value":[
    {
      "datasourceType":"Folder","connectionDetails":{
        "path":"\\\\xxx\\xxx\\xxx"
      },"datasourceId":"xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx","gatewayId":"xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
    }
  ]
}