The nominated webroutine will be invoked whenever the Search button is pressed.

Default value

Not applicable – a Webroutine name must be specified.

Valid values

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.