This tab of the RoboHelp action configures additional options.

 

Additional command-line options: This option can be used to specify additional flags to pass to the RoboHelp compiler.

 

Override compiler executable filename: If this field is empty, the action automatically locates the RoboHelp command-line executable by finding the executable associated with the RoboHelp project filename extension (.xpj).  This can be overridden by specifying the executable filename here.