Book Image

Learning ServiceNow. - Second Edition

5 (1)
Book Image

Learning ServiceNow. - Second Edition

5 (1)

Overview of this book

This book is an updated version of Learning ServiceNow, that will cover the new and updated features of the ServiceNow platform. It will show you how to put important ServiceNow features to work in the real world, while introducing key concepts via examples of managing and automating IT services. It'll help you build a solid foundation of knowledge, and will demonstrate how to effectively implement and configure modules within ServiceNow. We'll show you how to configure and administer your instance, and then move on to building strong user interfaces and creating powerful workflows. We also cover other key elements of ServiceNow, such as notifications, security, reporting, and custom development. You will learn how to improve and automate your business' workflow and processes. By the end of this book, you will be able to successfully configure and manage ServiceNow like a pro.
Table of Contents (19 chapters)
Learning ServiceNow Second Edition
Contributors
Preface
Index

GlideAjax


The GlideAjax class allows a client-side script to make an AJAX (Asynchronous JavaScript And XML) call to the server, execute a server-side script include, and even return a value. GlideAjax might be one of the least well understood client-side APIs in ServiceNow, in part because it has both a client-side, and a server-side component.

First, let's discuss the server-side component. A GlideAjax call from a client-side script will ultimately execute a script include (which as we learned in a previous chapter, is a server-side script), so let's create a script include for our GlideAjax script to talk to.

For our example, we're going to create a simple script include that'll return the value of a system property we specify, so we'll create a script include called GetPropertyAjax. Once we enter this name and then tab out of the Name field, the default scaffolding of the script include is populated into the Script field.

To make this script include accessible from client-side scripts through...