# REZ_SOUND_COLLIDE

*LSL constant*

```lsl
integer REZ_SOUND_COLLIDE = 10;
```

Rez parameter [string name_or_uuid, float volume] specifying a sound (from inventory or a UUID asset key) to play upon collision with another object, the ground, or an avatar.

Constant groups: [RezParam](/constants/groups/RezParam/)

:::note[Documentation]
This entry is documented in the LSL definitions. No matching wiki article is present in this local collection. Its inclusion here does not establish availability on every simulator.
:::

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From lsl.dev: https://lsl.dev/constants/REZ_SOUND_COLLIDE/