* Add a new action for the current gui using an id, an event,
* an array of tuple containing the wanted widget and its event and a priority.
* The priority param is optional, its default value is 0.
* Returns reference to this so it can be used in a stream.
* Add a new action for the current gui using an id, an event, * an array of tuple containing the wanted widget and its event and a priority. * The priority param is optional, its default value is 0. * Returns reference to this so it can be used in a stream.