# RequireReceiver

> A receiver is required for SendMessage.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine](/engine/6000.7/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
RequireReceiver = 0
```

### Remarks

If no receiver is found, an error is printed to the console. (This is the default value.) Additional Resources: [GameObject.SendMessage](/engine/6000.7/script-reference/unityengine/gameobject/sendmessage.md)