Introduction
Represents the Add-In Button item.
Properties

ButtonName

Or Sets ItemName.

ChangePageState

A URL to a JavaScript file which is executed when the page with the button receives focus.

Click

A URL to a JavaScript file which is executed when the button is clicked.

Page

The built-in page to place the button on.

SvgIcon

Or Sets a URL to the svg image for placing it in the button label.