---
title: dataType
framework: Compute Graph
role: symbol
role_heading: Instance Property
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: computegraph/computenodegraph/structurelayout/member/datatype
---

# dataType

Data type. For types such as .struct and .pointer, see typeName and components for additional information.

## Declaration

```swift
var dataType: MTLDataType? { get }
```