---
title: inputPrimitiveTopology
framework: metal
role: symbol
role_heading: Instance Property
path: metal/mtl4renderpipelinedescriptor/inputprimitivetopology
---

# inputPrimitiveTopology

Assigns type of primitive topology this pipeline renders.

## Declaration

```swift
var inputPrimitiveTopology: MTLPrimitiveTopologyClass { get set }
```