---
title: outputSpec
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/meshdeformeroptions/outputspec
---

# outputSpec

The expected vertex buffer output spec for the deformer type.

## Declaration

```swift
let outputSpec: MeshDeformerVertexOptions
```

## See Also

### Specifying vertex data

- [inputSpec](realitykit/meshdeformeroptions/inputspec.md)