# OVERRIDE_GLTF_BASE_ALPHA_MASK

*LSL constant*

```lsl
integer OVERRIDE_GLTF_BASE_ALPHA_MASK = 4;
```

GLTF override setting used with llSetLinkGLTFOverrides to set the alpha cutoff level on the face(s) when the alpha mode is set to mask.

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

:::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/OVERRIDE_GLTF_BASE_ALPHA_MASK/