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Learning ServiceNow

You're reading from   Learning ServiceNow Get started with ServiceNow administration and development to manage and automate your IT Service Management processes

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Product type Paperback
Published in Mar 2017
Publisher Packt
ISBN-13 9781785883323
Length 358 pages
Edition 1st Edition
Languages
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Authors (2):
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Sylvain Hauser Sylvain Hauser
Author Profile Icon Sylvain Hauser
Sylvain Hauser
Tim Woodruff Tim Woodruff
Author Profile Icon Tim Woodruff
Tim Woodruff
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Toc

Table of Contents (14) Chapters Close

1. The Interface FREE CHAPTER 2. Lists and Forms 3. UI Customization 4. Understanding Data and Relationships 5. Tasks and Workflows 6. UI and Data Policies 7. User Administration and Security 8. Introduction to Scripting 9. The Server-side Glide API 10. The Client-side Glide API 11. Server-side Scripting 12. Client-side Scripting 13. Debugging 14. Pro Tips

UI Policy Order


The Order field on UI Policies is very important to how UI Policy Actions are processed. When two UI Policies contain a UI Policy Action that acts upon the same field - even if they act upon different properties of that field (visible vs. read-only, for example) - they can potentially conflict. Conflicting UI Policy Actions will be shown in the related list on the UI Policy, with a red dot indicating the issue:

If you open the Action, you'll be presented with an error message indicating that the run order of the UI Policy Actions is unpredictable.

This warning will only occur when the Order field on the parent UI Policy is set the same on both. UI Policies execute in the other indicated by the Order field, starting with one. The higher the value, the later it executes. This also means that a higher value in the Order field means that the policy will take priority over others with a lower Order value. It won't undo any actions performed by lower-Order Policies, but it will...

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