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Mastering ServiceNow

Mastering ServiceNow

By : Wood
4.1 (17)
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Mastering ServiceNow

Mastering ServiceNow

4.1 (17)
By: Wood

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 (12 chapters)
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Protecting data with contextual security rules


The first few chapters showed how data could be protected using business rules and Data Policies and that forms can be manipulated with Client Scripts and UI Policies. For example, a script can be used to ensure that you can write to a field only when the task is open. For a better experience, it'd be best to do it both on the server (to ensure that the browser didn't cheat) and the interface (to give feedback to the user). Wonderfully, Contextual Security helps with both!

ServiceNow has two different security managers. These protect data as it leaves and enters the instance. The simple security manager controls who can update a field through roles. The Dictionary entry for each field has several list fields where roles are selected: one each for create, read, write, and delete. However, this doesn't give you any flexibility over when these actions can occur. If you have the role, you can perform the action at any time.

Tip

CRUD, or create, read...

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