Step 1 open dyom1.dat or any of dyom1 until 8 or 0 have to double click and open it with sanny builder any version

Step 2 once opened you will see that for example SD / FSKAL create a folder outside and write FSKAL always with uppercase and 5 lines

Step 3 do not save the mission do not need and now you can put sounds

Step 4 something very important of the musical sounds or whatever it is only walks with format .mp3 remember that can do with textaloud with .mp3 and make that they have voice the actors
regards

Final step
I leave the sanny builder link

Https://sannybuilder.com/index.html