Sets the default action of notification to action. This action is
activated when the notification is clicked on. It must be an
application-wide action (start with "app.").
If target is non-NULL, action will be activated with target as
its parameter.
When no default action is set, the application that the notification
was sent on is activated.
Sets the default action of notification to action. This action is activated when the notification is clicked on. It must be an application-wide action (start with "app.").
If target is non-NULL, action will be activated with target as its parameter.
When no default action is set, the application that the notification was sent on is activated.