When, in Outline Editor, under the Query Hints tab, you double-click a dimension, the Query Hints Selection dialog box is displayed.
In the outline that is displayed in the Dimensions pane, you select the member that you want to use for query aggregation.
You can perform the following actions:
To search for a member, click the Find Members button and then use the Find Members dialog box.
To display information about a member (generation, level, and associated formulas, UDAs, and comments), you select the member and click the Information button.