---
title: LowLevelMeshResource.VertexSemantic.unspecified
framework: realitykit
role: symbol
role_heading: Case
path: realitykit/lowlevelmeshresource/vertexsemantic/unspecified
---

# LowLevelMeshResource.VertexSemantic.unspecified

A semantic that doesn’t specify the role of the vertex.

## Declaration

```swift
case unspecified
```

## Discussion

Discussion A geometry modifier cannot read this vertex’s attribute, but it can denote attributes for other purposes.