# ContainsKey(TKey)

Method in [SerializedDictionary](https://docs.yarnspinner.dev/2.1/api/csharp/yarn.unity/yarn.unity.serializeddictionary)

## Summary

```csharp
public bool ContainsKey(TKey key)
```

## Parameters

| Name       | Description |
| ---------- | ----------- |
| `TKey` key |             |