(MgResourceIdentifier) Resource whose owner is to be changed. This resource can be a document or folder.
If it is a folder, you must include the trailing slash in the identifier.
owner
(String/string) The User ID of the new owner. (The User ID must already exist. You can create User IDs through the Site Administrator tool.)
includeDescendants
(boolean/bool) Flag to determine whether or not the owners of descendant resources should be also be changed. This flag is applicable only if the resource is a folder.