Back to Basics – What are Extensions?
They are generally referred to by a name such as customLabel or customContainer which identifies the type. In a later post you will learn the origin of these names.
Interview behavior Extensions have gradually gained in functionality, and also in terms of which Control types are available for customization. There are different kinds of extension for different needs.
If Controls represent items grouped on a Screen (and therefore on a page, as far as most Interview users are concerned), with Extensions you can also customize the real estate around the pages – whether it be the navigation styling, of a custom footer or header, or even a completely new navigation system. So extensions can be for a single Control, or for a complete Navigation system.
Technically speaking, all of the examples mentioned above are called Interview Extensions in the official documentation, and they are divided into styling extensions and control extensions as you will discover. You can find the reference material at the following URL at the time of writing .
Before looking at the different types available to us, it pays to review the architecture of the Interview and gain understanding as to how they function within it. Coming next…