# BUFFERUSAGE_INDEX

Variable · category: Graphics

Source: https://github.com/playcanvas/engine/blob/970d89f6d3bc6667f4e1f88153abd6e7e82ed52c/src/platform/graphics/constants.js#L219

A flag utilized during the construction of a [StorageBuffer](https://api.playcanvas.com/engine/classes/StorageBuffer.md) to ensure its compatibility
when used as an index buffer.

```ts
const BUFFERUSAGE_INDEX: 16 = 0x0010
```