You can edit user-defined member lists. For example, you can add or remove members or functions from a member list.
To edit a member list:
Open a report.
Double-click a dimension cell for which you want to edit a member list.
In the Select Members dialog box, select the Lists tab.
Double-click the user-defined member list to edit.
In the Edit...List dialog box, take an action:
To add members to the Selected list, highlight the items in the Members, Lists, or Functions tabs, then click the Add button, 
, or Add Relationship button, 
.
To remove members from the list, highlight the members in the Selected area, then click the Remove button, 
.
To remove all items, click the Remove All button, 
Click OK.
Click OK to return to your report.