[ Version ( since = "0.7.0" ) ]
public void set_birthday (Date? birthday, bool birthday_has_year)
Sets the birthday property to birthday and the
birthday_has_year property to birthday_has_year.
See get_birthday for an explanation of the interaction between these two properties.
If birthday is null, the contact's birthday will be removed.
| this | |
| birthday |
the new birthday, or null |
| birthday_has_year |
true if |