---
title: topology
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/lowlevelmesh/part/topology
---

# topology

The geometric primitive to use when rendering this part.

## Declaration

```swift
var topology: MTLPrimitiveType
```

## See Also

### Describing a low-level mesh part

- [indexOffset](realitykit/lowlevelmesh/part/indexoffset.md)
- [indexCount](realitykit/lowlevelmesh/part/indexcount.md)
- [materialIndex](realitykit/lowlevelmesh/part/materialindex.md)
- [bounds](realitykit/lowlevelmesh/part/bounds.md)