Stream custom sound of an add on car?

hello there!

first, happy new year everyone!

So here is my problem, I want to add some new car in my server, but they have custom sound ( like this one for example like a lot of add on car these days .
streaming the model work as usual but I can’t get any sound…

I tried to do as the same as see in the christmas heist pack __ressource. lua , as the are also custom sounds, but I think I missed something…

any ideas how to make it work?

Little bump here, I still searching on my side the solution, I missing something, it drive me crazy.

Did you find solution?