Book Image

ServiceNow: Building Powerful Workflows

By : Tim Woodruff, Martin Wood, Ashish Rudra Srivastava
Book Image

ServiceNow: Building Powerful Workflows

By: Tim Woodruff, Martin Wood, Ashish Rudra Srivastava

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. This course will show 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. You will then learn more about the power of tasks, events, and notifications. We’ll then focus on using web services and other mechanisms to integrate ServiceNow with other systems. Further on, you’ll learn how to secure applications and data, and understand how ServiceNow performs logging and error reporting. At the end of this course, you will acquire immediately applicable skills to rectify everyday problems encountered on the ServiceNow platform. The course provides you with highly practical content explaining ServiceNow from the following Packt books: 1. Learning ServiceNow 2. ServiceNow Cookbook 3. Mastering ServiceNow, Second Edition
Table of Contents (39 chapters)
Title Page
Credits
Preface
Free Chapter
1
Module 1
36
Bibliography

Manipulating forms with GlideForm


A UI Policy conditionally performs a limited set of actions on a form, such as making a field mandatory or hiding it from view. Internally, this uses a client-side class called GlideForm, which is also available for use by the system administrator.

Just like business rules, ServiceNow provides some global variables that smooth the interaction with the platform. On every form, you'll find a g_form object.

Note

For more information, check out the developer site: https://developer.servicenow.com/app.do#!/api_doc?v=geneva&type=client&scoped=null&to=class__client_glideform__geneva.

 

Using GlideForm

GlideForm provides getter and setter methods that provide access to the record as it is displayed on the screen. Let's run some code in the JavaScript executor in order to understand what options are available.

  1. Navigate to a new Check-in record (Hotel > Check-ins, then press New). Populate the form as follows, but you don't need to save.
    • Room: 301 (you may...