A required field component allows you to define
more required fields on top of system defined ones. You can add a required field
component for Save events only.
In the Setup section, click the Add Business
Rule Components icon.
In the Business Rule Component pane, select Required
Field, then click ADD.
Click the Business Rule Components
Property icon.
Specify this information:
Active
Click to set this rule as active. By default, this field is
selected.
Name
This field is populated by default. Specify a
name.
Details
This field is populated by default. Specify a
description.
Sequence
Specify a sequence number.
Field
Select a field from the list. The contents of the field
depends on the selected Sub
Scope.
Use Custom Failed Message
Click if you want to have a custom error message
displayed.