# `GSCustomParameterKey.GSCustomParameterEnforceCompatibilityCheckKey`

*Type Property*

## Declaration

```swift
static let enforceCompatibilityCheckKey: GSCustomParameterKey
```

```objc
extern GSCustomParameterKey const GSCustomParameterEnforceCompatibilityCheckKey;
```

```python
GSCustomParameterEnforceCompatibilityCheckKey: GSCustomParameterKey
```