Book Image

Learning ServiceNow

By : Sylvain Hauser
Book Image

Learning ServiceNow

By: Sylvain Hauser

Overview of this book

This book shows you how to put important ServiceNow features to work in the real world. We will introduce key concepts and examples on managing and automating IT services, and help you build a solid foundation towards this new approach. We’ll demonstrate how to effectively implement various system configurations 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 alerts and notifications, security, reporting, and custom development. You will learn how to improve your business’ workflow, processes, and operational efficiency. By the end of this book, you will be able to successfully configure and manage ServiceNow within your organization.
Table of Contents (21 chapters)
Learning ServiceNow
Credits
About the Author
About the Reviewer
www.packtpub.com
Customer Feedback
Preface

Client side versus server side APIs


Originally, ServiceNow's name was GlideSoft. While that was a long time ago, there are still some indicators of the company's history, such as in the naming of ServiceNow's scripting API suite: the glide API. Scripting is an important part of ServiceNow, and many different sorts of records support scripting in one or more fields.

Some scripts execute server side, and some execute client side. Whether a script executes on the client or on the server, determines the API that it has access to. Server scripts, executing on the server as they do, have access to a different set of programming interfaces than Client Scripts, because Client Scripts execute within the browser scope. Thus, only scripts which are included in the webpage and sent from the server to the browser can be executed or called from within Client Scripts. Since it would be impractical and have a negative impact on performance to send over the entire scripting library from the server to the...