# NIF File Format Documentation

NIF Objects | Compound Types | Enum Types | Basic Types | File Versions

## DataStreamUsage

Determines how a data stream is used?

### Choices

Number | Name | Description
--- | --- | ---
0 | USAGE_VERTEX_INDEX | USAGE_VERTEX_INDEX
1 | USAGE_VERTEX | USAGE_VERTEX
2 | USAGE_SHADER_CONSTANT | USAGE_SHADER_CONSTANT
3 | USAGE_USER | USAGE_USER

### Storage Type

unsigned int

### Found In

- NiDataStream