tmsource=yyyyyy (optional) where yyyyyy is a tracking code that is placed on any cart for tracking the source of the referral.
performance=xx - The link above will go directly to selling a performance (bypassing the event selection - per the example below). The unique performance number will replace the "xx" in the link. To find the performance number:
Click Setup >> Events.
Click the button to populate the Event List.
Double-click an Event to open it.
In the Event Setup Window, select the Performance Tab to see the list of Performances for that Event.
Locate the second left column, labeled Perf #
This column displays the unique performance number for each performance of the Event. Replace the "xx" in the link above with the desired performance number to create a direct link to the performance.