Did you refer to the .cmd in the .def file ?
"Not working" is not going to let us guess what the problem is, and we won't be able to help. Tell us what it does. Does it do the same thing ?
If I struggled to the end of my determination, to the end of my way of life with my followers, if the result is ruin, then this ruin is inevitable. Grieve. Shed tears. But you cannot regret.