sign_out
Description:
Asks signond to close all authentication sessions for this identity, and to remove any stored secrets associated with it (password and authentication tokens).
Parameters:
| this |
the Identity. |
| cancellable |
optional Cancellable object, null to ignore. |
| callback |
a callback which will be called when the operation has completed. |
| user_data |
user data to be passed to the callback. |