Book Image

ServiceNow Application Development

By : Sagar Gupta
Book Image

ServiceNow Application Development

By: Sagar Gupta

Overview of this book

ServiceNow provides service management for every department in the enterprise, including IT, Human Resources, Facilities, Field Service, and more. This book focuses on all the steps required to develop apps and workflows for any of your business requirements using ServiceNow. You will start with the first module, which covers the basics of ServiceNow and how applications are structured; how you can customize the dashboard as required; and also how to create users. After you get used to the dashboard, you will move on to the next module, Applications and Tables, where you will learn about working with different tables and how you can create a scope other than the global scope for your application. The next module is Scripting and APIs, where you will learn Scripting in ServiceNow and use powerful APIs to develop applications. The final module, Administration Essentials, covers debugging, advanced database features, and scheduled script creation. By the end of the book you will have mastered creating organized and customer-friendly applications
Table of Contents (21 chapters)
Title Page
About the Author
About the Reviewer
Customer Feedback
Free Chapter
Introduction to ServiceNow

Dictionary override

The dictionary override feature allows us to change the configuration of inherited fields in an extended table. We can define dictionary override on any table from which we have extended another table. The dictionary override must be defined in the same scope in which the extended table exists. In our Travel Booking Application, the Booking Request table extends from the Task table that is in the Global scope. However, we will define the dictionary override in the Travel Booking Application scope.

  1. Open the System Definition | Dictionary module and open the entry for the state field in the task table by clicking on the info icon against the record, as shown in the following screenshot:
  1. As the record is in the Global application, you may see information text below the form header, as shown in the following screenshot, which is what we expected, as we want to create the dictionary override entry for the Booking Request table that is in Travel Booking Application:
  1. If you are...