Sets the action-name and associated string target value of an actionable widget.
@detailed_action_name is a string in the format accepted by [func@Gio.Action.parse_detailed_name].
the detailed action name
See Implementation
Sets the action-name and associated string target value of an actionable widget.
@detailed_action_name is a string in the format accepted by [func@Gio.Action.parse_detailed_name].