# Unsubscribe from AI Agent message events
<a name="3P-apps-ai-agents-offaiagentmessagereceived"></a>

Removes a previously registered `onAIAgentMessageReceived` handler subscription.

 **Signature** 

```
offAIAgentMessageReceived(handler: AIAgentMessageHandler, contactId?: string): void
```

 **Usage** 

```
aiAgentsClient.offAIAgentMessageReceived(handler, contactId);
```

 **Permissions required:** 

```
*
```