Adds contact to this and sets out_added_uid to a UID of a newly added
contact.
This string should be freed with g_free.
Note: This is not modifying original contact, thus if it's needed, then use e_contact_set (contact, E_CONTACT_UID, new_uid).
| this |
an BookClient |
| contact |
an Contact |
| opflags |
bit-or of BookOperationFlags |
| out_added_uid |
UID of a newly added contact; can be null |
| cancellable |
a Cancellable; can be null |
|
true if successful, false otherwise. |