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

Deciding to write code


There are very often two way to do things in ServiceNow - point and click, or code. It's a good idea to use the point and click mechanism - it is often highly optimized, portable, maintainable, and upgradable. This book will look at many of these options, and guide you towards using them when possible. But sometimes you need total control. To be a ServiceNow master, you need to write scripts.

ServiceNow has hundreds of places where you can write code. Aside from a very few exceptions, JavaScript is used in all instances. JavaScript is a very flexible and powerful language and is most commonly known for its inclusion in almost every web browser. This has made it almost mandatory for web development these days, with its simple syntax allowing many people to quickly add simple logic to web pages with minimum effort. Taking advantage of this familiarity, ServiceNow uses JavaScript both on the server and client sides.

Using the developer community

Like most platforms, ServiceNow...