# messageOptions

> Function call options.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.0/script-reference/unityengine.md)
* **Assembly:** UnityEngine.AnimationModule

```csharp
public SendMessageOptions messageOptions { get; set; }
```

### Remarks

If options are set to [SendMessageOptions.RequireReceiver](/engine/6000.0/script-reference/unityengine/sendmessageoptions/requirereceiver.md) (default), an error is printed when the message is not picked up by any component.