Select Destinations under the broker’s name in the Administration Console window’s navigation pane.
A list of the available physical destinations will appear in the result pane, showing the name, type, and current state of each destination.
Select a destination by clicking on its name in the result pane.
Choose Purge Messages from the Actions menu.
A confirmation dialog box will appear, asking you to confirm that you wish to proceed with the operation.
Click Yes to confirm the operation and dismiss the confirmation dialog.