public string GetCloudFolderId(
	bool forceRefresh
)

Public Function GetCloudFolderId ( _
	forceRefresh As Boolean _
) As String

public:
String^ GetCloudFolderId(
	bool forceRefresh
)

It is empty for non-cloud model; It is cached in Revit model opened session after getting it if forceRefresh is false; ForgeDM folder id can be changed during Revit model opened session, set forceRefresh as 'true' to get new value.