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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

GlideElement


The GlideElement class is not generally instantiated on its own, but it is used for elements in a GlideRecord object, and provides methods for interacting with them. An element generally refers to a data column in the record, such as the number field on a task record, or the sys_updated_on field of a record. You can access a GlideElement from a server-side GlideRecord object (for example, by using gr.number), or by using the getElement method of a GlideRecord object.

Best practice dictates that you always use the getter and setter functions: getValue(), and setValue() if you want to get the value of the field. Directly accessing the server-side GlideElement property however, will give you a reference to the GlideElement object.

Let's say for example, that we have a table with a column called short_description. When we query this table, we get a GlideRecord object populated with various properties. Each field in the table becomes a property in the GlideRecord object, but those...

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