Custom vismach part simulation in Qt-Vismach tab

Hello.. can anyone help me..

How to custom part vismach simulation in Qt-Vismach tab?
i didn't find gui file in config file, like basic vismach simulation.I have built my simulation file with basic vismach, there is a file (.obj). How do I connect to the Qt-Vismach tab? 



I've tried changing the .ini file in EMBED_TAB_COMMAND with the name of the gui file I've created. 



but it shows an error: 

 

Just for another time, please don't double post. You already have a thread here with the same question:
forum.linuxcnc.org/38-general-linuxcnc-q...vcp-tabs-axis#268589
This makes it very difficult do keep track of what questions have been attended to.
Thanks

ok, i'm sorry..