To enable look through processing at the group level, select the Enable Look Thru Processing check box on the Definition tab, as shown in the following figure.

After selecting the Enable Look Thru Processing check box, the selected model supports look through processing. The following table lists the valid field types for a group level model.

Performance Fields in Data Mart Group Models

Group models support look through Performance in Data Mart. When the check box on the Description tab is selected, the same Performance analysis field attributes can be used in both a regular and look through group model.