# NodeAttributeCollection.ContainsKey

Kind: Method  
Namespace: `TinyComponents`  
Assembly: `TinyComponents.dll`  
Source: https://docs.sisk-framework.org/api/TinyComponents.NodeAttributeCollection.ContainsKey.html

## ContainsKey(string) {#TinyComponents_NodeAttributeCollection_ContainsKey_System_String_}

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

### Parameters

`key` [string](https://learn.microsoft.com/dotnet/api/system.string)

### Returns

[bool](https://learn.microsoft.com/dotnet/api/system.boolean)