Additional Oxygen XML WebHelp Plugin Parameters for DITA

You are able to append the following parameters to the command line that runs the transformation:
In case you need to further customize the transformation process, you are able to append other DITA-OT parameters as well. Any parameter that you want to append must follow the -D model of the above parameters. For example, to append the args.hdr parameter, use:
-Dargs.hdr=[HEADER_FILE_DIR]
where [HEADER_FILE_DIR] is the location of the directory that contains the header file.