In the Action Panel, select More, and then select Audit Trail from the popup menu.
The Action Panel is located at the bottom of the Smart View Panel, and contains action items specific to the data source and cube to which you are connected.
When you select More, a popup menu is displayed where you can select Audit Trail.
The Audit Trail pane is displayed in the bottom portion of the Smart View Panel
Now you can work with the items in the Audit Trail pane using these three buttons at the bottom of the pane:
Perform an action:
Export the contents of the audit trail onto a separate sheet