The Widget Event builder adds a form submitted event declaration to the widget.
Add an Event Handler builder call to the model to specify an action that handles the form submission or to execute some logic when the user submits the form. When you add an Event Handler builder to a model, set the following event name to handle the submit action for the form:
Parent topic: Builder Reference: wpf7
About using the builder call editor: wpf7
Using widget events: wpf7