Siebel Developer's Reference > User Properties >

Required

This user property allows you to make the parent field a required field under certain conditions. You specify the condition by defining a calculated expression for the value of the user property.

Syntax
Expression
Usage
When the expression evaluates to Y, the parent field is required.
Parent Object Type
Field
Functional Area
This user property is valid when used for business components based on or inherited from the class CSSBCBase; it is not valid for business components based on CSSBusComp.

 Siebel Developer's Reference 
 Published: 23 October 2003