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Learning ServiceNow

You're reading from   Learning ServiceNow Administration and development on the Now platform, for powerful IT automation

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Product type Paperback
Published in Jun 2018
Publisher
ISBN-13 9781788837040
Length 388 pages
Edition 2nd Edition
Languages
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Author (1):
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Tim Woodruff Tim Woodruff
Author Profile Icon Tim Woodruff
Tim Woodruff
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Toc

Table of Contents (17) Chapters Close

Preface 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. Service Portal Scripting 14. Debugging 15. Pro Tips Index

Extending the task table

The task table is an incredibly powerful base table, yet interestingly, no records should ever be created directly on the Task [task] table. Instead, task records are created on child tables; tables that extend the task table. In fact, if you attempt to create a new task directly from the task table, you'll find that you're redirected to the task Interceptor instead, which disambiguates which sort of task you'd like to create:

Extending the task table

Tip

An Interceptor replaces a particular page (in this case, the new form page on the base Task [task] table) with another (in this case, a disambiguation page that links to various other task types).

To extend the Task table and inherit any relevant fields and business logic, start by navigating to System Definition | Tables. On the list of tables, click New from the top-left.

Since we've already created the Virtual War Rooms table (which extends the Task table), let's create a sub-table that also extends the Task table...

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