This action displays a standard Windows message box. The message box can contain the following icons: error, warning, exclamation, information, or none. There is also the choice of caption, text, and which buttons to display, as well as setting the default button and saving the return value (from the button clicked) to a variable. For more information on variables, including creating your own project and user variables, see here.
This action should not be used in unattended builds as it will cause them to hang waiting for user input. By default, interactive actions are not available from Async Action Groups.
This action was donated by Peter Thornqvist.