Specifies the name of the webroutine that is executed when the menu item is clicked. (The name of the WAM containing the webroutine is specified in the on_click_wamname property.)
This property is ignored if the href property is specified.
No default value applies – either the href property or the on_click_wrname property must be specified in order for the menu item to be functional.
The name of a Webroutine in single quotes. The Webroutine must exist in the WAM specified in the on_click_wamname property. A list of known Webroutines can be displayed by clicking the corresponding dropdown button on the property sheet.