A comma-delimited list of three required values and an optional fourth value. The values are:
Id Field Name. Identifies the foreign key field in the parent business component that points to records in the joined business component.
Business Component. Identifies the joined business component.
Label. The text of the label to appear for this generic recipient in the Pick Recipient dialog box, such as "Service Request Owner."
(Optional) Field Name in Target Business Component. Include this value if the field name is other than ID.
