Function Field in ServiceNow | Function Definition GlideFunction
In this video we will talk about the basics regarding the function fields in servicenow.
Timestamps :
0:00:00 - Introduction to Function Field
00:01:05 - Live Demo of Function Field
00:05:15 - Ending Note
Regular fields store a value in the database. Instead of storing data, a function field displays the results of a database query. Function fields do not have an associated database column. Instead, function fields generate a value based on simple computations of other fields and constants. They can be used like any other fields in the system: in forms, lists, query conditions, reports, and so on.
Example: Use case
You want to identify all incidents with a probably useless short description of fewer than 10 characters.
Instead of querying all records to determine which record meets a given criteria, create a function field or function script that retrieves only the records that meet the criteria.
For a simple computation, it is better to use a function field or function script rather than store a computed value. The value is always calculated on retrieval. Another benefit of using function fields is that the database server performs the transformation rather than the application node.
Function fields versus calculated fields
The values of the calculated fields are stored in the database. The values of function fields or function scripts are not stored in the database, but are calculated at the time of retrieval. Function field values are always up to date.
For More information Visit:-
https://docs.servicenow.com/en-US/bun...
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