---
title: MTLShaderValidation.default
framework: metal
role: symbol
role_heading: Case
path: metal/mtlshadervalidation/default
---

# MTLShaderValidation.default

The default value when the property isn’t set.

## Declaration

```swift
case `default`
```

## See Also

### Validation states

- [MTLShaderValidation.disabled](metal/mtlshadervalidation/disabled.md)
- [MTLShaderValidation.enabled](metal/mtlshadervalidation/enabled.md)