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# AddFunction(string,System.Func\<TResult, T1, T2>)

Method in [DialogueRunner](/2.2/api/csharp/yarn.unity/yarn.unity.dialoguerunner.md)

## Summary

```csharp
public void AddFunction<TResult, T1, T2>(string name, System.Func<TResult, T1, T2> implementation)
```

## Parameters

| Name                                          | Description |
| --------------------------------------------- | ----------- |
| `string` name                                 |             |
| `System.Func<TResult, T1, T2>` implementation |             |

## Type Parameters

| Name | Description                                       |
| ---- | ------------------------------------------------- |
| T2   | The type of the second parameter to the function. |