Clicking the Edit button on the Button Bar screen displays the Button Properties dialog box, which allows you to configure the button bar button properties and set the Action to perform when the button is pressed.
Properties Tab:
Text
Text string that will display on the button face.
Note: A single ampersand (&) character used in the button text will not display on the button. To display this character on a button, you must type two ampersand characters (for example, "123 && 4").
Action Tab:
Category
Displays a list of action
categories. Choose an item within the category to assign to the button
bar button.