# SEMANTIC_ATTR4

Variable · category: Graphics

Source: https://github.com/playcanvas/engine/blob/dfcc50fbbfba2388843041a875ec0ef5d1a586c5/src/platform/graphics/constants.js#L1539

Vertex attribute with a user defined semantic.

```ts
const SEMANTIC_ATTR4: "ATTR4" = 'ATTR4'
```