From ZDoom Wiki
A_StopSoundEx (string channel)
Stops the sound playing on the specified channel. Channel can be "Auto", "Weapon", "Voice", "Item", "Body", "SoundSlot5", "SoundSlot6", or "SoundSlot7".
|Note: This article lists no examples. If you make use of this feature in your own project(s) or know of any basic examples that could be shared, please. This will make it easier to understand for future authors seeking assistance. Your contibutions are greatly appreciated.|