Assign a collection to this alias.
Aliases help determine well known collections, such as 'default'. This method takes the dbus object path of the collection to assign to the alias.
This method will return immediately and complete asynchronously.
| this |
a secret service object |
| alias |
the alias to assign the collection to |
| collection_path |
the dbus object path of the collection to assign to the alias |
| cancellable |
optional cancellation object |
| callback |
called when the operation completes |
| user_data |
data to pass to the callback |