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
About the Author
About the Reviewer

Building security rules

As we work through the rest of the chapter, we'll use the following scenarios to implement different security rules. They outline particular use cases. I find this very helpful to organize exactly what is necessary to implement.

  • Only authorized users are allowed to create or edit Maintenance tasks. The records become read-only when the tasks are closed.

  • Only a team leader is allowed to edit the Priority field when any task is not closed.

  • A user can only add to Work notes for a Maintenance task if they are on the Work notes list or in the Assigned to field.

Conditioning contextual security

A contextual security rule is made up of three elements. These are evaluated together to determine if the user can carry out a particular action:

  • A condition (if it applies to the record)

  • A script (that returns true). This is available when the Advanced checkbox is ticked.

  • One or more required roles, where a user must have at least one

A rule can have any combination of these elements. A...