Book Image

Mastering ServiceNow - Second Edition

Book Image

Mastering ServiceNow - Second Edition

Overview of this book

ServiceNow is a SaaS application that provides workflow form-based applications. It is an ideal platform for creating enterprise-level applications giving requesters and fulfillers improved visibility and access to a process. ServiceNow-based applications often replace email by providing a better way to get work done. The book steps through the main aspects of the ServiceNow platform, from the ground up. It starts by exploring the core architecture of ServiceNow, including building the right data structure. To add business logic and control data, and interactivity to user interaction, you will be shown how to code on both server and the client. You will then learn more about the power of tasks, events and notifications. The book will then focus on using web services and other mechanisms to integrate ServiceNow with other systems. Furthermore, you will learn how to secure applications and data, and understand how ServiceNow performs logging and error reporting. You will then be shown how to package your applications and changes, so they can be installed elsewhere and ways to maintain them easily. If you wish to create an alternative simple interface, then explore ways to make ServiceNow beautiful using Service Portal. By the end of the book, you will know the fundamentals of the ServiceNow platform, helping you be a better ServiceNow System Administrator or developer.
Table of Contents (18 chapters)
Mastering ServiceNow Second Edition
Credits
Notice
About the Author
About the Reviewer
www.PacktPub.com
Preface

Using Angular and Jelly


We could spend far more time on Jelly. It has huge capability, including a comprehensive mechanism for controlling caching, but the mechanism for ensuring that data and variables are in the right place can quickly become very complicated. Instead, Jelly is often used as the launch point for launching an Angular page. Using a UI Page means you have complete control over how it all works.

Using Angular to say hello

While Angular is used throughout ServiceNow-and especially in Service Portal-you should use your own copy of the library in UI Pages to avoid any compatibility problems. This is the first step to using custom Angular in action.

  1. Download Angular from https://angularjs.org/. You need version 1 rather than 2; and I'm using version 1.4.12-use that if you have any problems. A direct link is https://ajax.googleapis.com/ajax/libs/angularjs/1.4.12/angular.min.js.

  2. In ServiceNow, navigate to System UI > UI Scripts. This is the place (as mentioned in Chapter 3, Server...