Book Image

Mastering ServiceNow Scripting

By : Andrew Kindred
Book Image

Mastering ServiceNow Scripting

By: Andrew Kindred

Overview of this book

Industry giants like RedHat and NetApp have adopted ServiceNow for their operational needs, and it is evolving as the number one platform choice for IT Service management. ServiceNow provides their clients with an add-on when it comes to baseline instances, where scripting can be used to customize and improve the performance of instances. It also provides inbuilt JavaScript API for scripting and improving your JavaScript instance. This book will initially cover the basics of ServiceNow scripting and the appropriate time to script in a ServiceNow environment. Then, we dig deeper into client-side and server-side scripting using JavaScipt API. We will also cover advance concepts like on-demand functions, script actions, and best practices. Mastering ServiceNow Scripting acts as an end-to-end guide for writing, testing, and debugging scripts of ServiceNow. We cover update sets for moving customizations between ServiceNow instances, jelly scripts for making custom pages, and best practices for all types of script in ServiceNow. By the end of this book, you will have hands-on experience in scripting ServiceNow using inbuilt JavaScript API.
Table of Contents (18 chapters)
Title Page
Packt Upsell

Script includes

Script includes are at the heart of scripting in ServiceNow, and are arguably the most commonly used when it comes to writing code. Script includes are used to hold classes of code, and for a lot of the backend script used by the ServiceNow platform.

When creating your script include, you first need to give it a name. This name will be important, as it will be used in other code to call the methods in your script include.


Ensure that the name you choose for your script include does not contain spaces in it. It is best to use underscores to separate words in the name.

Once you enter a name for your script include, you will notice that the API Name and the script fields are populated. The API name is read-only, and given based upon the name of the application this script include is being created in, followed by the name of the script include itself.

The script field is populated with some introductory script creating a class for this script include, taking into account the...