[ Version ( since = "0.13.9" ) ]
public unowned string get_token ()
Return this message's identifier in the underlying protocol.
This is not guaranteed to be unique, even within the scope of a single channel or contact: the only guarantee made is that
two messages with different non-empty tokens are different messages.
If there is no suitable token, return null.
| this |
a message |
|
a non-empty opaque identifier, or |