Covering what I have learned in the NEW FS22 sound Coding folders.
Below is what it would look like in your mod.

To edit sounds I'd suggest Audacity if needed.
To get custom sounds from Youtube videos, I'd suggest
Just find a video with the sound you want
DOWNLOAD IS BELOW for a sound template
*You don't need the template, you have one already inside you game. But this could make it simple for some.
*all sounds are in-game sounds used, just shows how you would input custom sounds in.