The AppBuilder Properties view displays the attributes of one or more selected widgets. When more than one object is selected, this window makes available the cross-section of the attributes of the selected objects. This view allows you do the following:
Modify an attribute of one or more selected widgets.
Change widget type of an existing widget such as change Fill In widget to Editor.
To open the AppBuilder Properties view:
From the main menu, choose Window > Show View > AppBuilder Properties.