For a multirow map column with an action-based rollover defined, the row action to send.
When the RolloverTrigger property is QuickView Action or Standard Action, set this property to match the action the user would enter into the active list to display a screen.
For example, a trucking company's list of trucks presented in a list may accept the "W" action to display the active WayBills for the truck.
The character(s) you enter in this property will be entered for the row the user rolls the mouse over, to trigger the display of one or more screens at the host. These screens will be displayed in the rollover popup until the user moves the mouse out of the column.
