Description A GtkAssistant is a widget used to represent a generally complex operation splitted in several steps, guiding the user through its pages and controlling the page flow to collect the necessary data. GtkAssistant as GtkBuildable The GtkAssistant implementation of the GtkBuildable interface exposes the action_area as internal children with the name "action_area". To add pages to an assistant in GtkBuilder, simply add it as a <child> to the GtkAssistant object, and set its child properties as necessary.