[ Version ( since = "3.8" ) ]
public void set_contacts_url (string? contacts_url)
Sets the contacts URL of the GNOME Online Account associated with the Source to which this belongs.
The internal copy of contacts_url is automatically stripped of leading and trailing whitespace. If the resulting string is
empty, null is set instead.
| this |
an SourceGoa |
| contacts_url |
the associated GNOME Online Account contacts URL, or null |