Form Parameters - imona/tutorial GitHub Wiki

In any script window on the platform, you can use the following keywords;

current - is used to access the enetity bean that is being modified in the current screen
entityForm - is the Form that is used to render the bean. You can use entityForm.getComponent("field_id") to access UI elements on the screen
entityForm.params - this is the Map used to keep parameters passed between Pages. When openForm() method is called with object parameters, in the target screen, you can access the passed parameters through this variable.

parent - When openPopup() method is used, in the context of the opened Popup window, you can access the parent bean using parent variable.
parentEntityForm - When openPopup() method is used, in the context of the opened Popup window, you can access the parent form using parentEntityForm variable.