If you send a monitor_start message to MPF with a category that does not exist, MPF sends back an error message like this: error?cmd=monitor_start?category=game_vars&error=Invalid category value. This does not match the specification for the error command. cmd should be command and error should be message.
If you send a monitor_start message to MPF with a category that does not exist, MPF sends back an error message like this:
error?cmd=monitor_start?category=game_vars&error=Invalid category value. This does not match the specification for the error command.cmdshould becommandanderrorshould bemessage.