Sets the default action of @notification to @detailed_action. This
action is activated when the notification is clicked on.
The action in @detailed_action must be an application-wide action (it
must start with "app."). If @detailed_action contains a target, the
given action will be activated with that target as its parameter.
See g_action_parse_detailed_name() for a description of the format
for @detailed_action.
When no default action is set, the application that the notification
was sent on is activated.
Sets the default action of @notification to @detailed_action. This action is activated when the notification is clicked on.
The action in @detailed_action must be an application-wide action (it must start with "app."). If @detailed_action contains a target, the given action will be activated with that target as its parameter. See g_action_parse_detailed_name() for a description of the format for @detailed_action.
When no default action is set, the application that the notification was sent on is activated.