# ContactInterceptorContext in Connect Customer agent workspace
<a name="3P-apps-contact-interceptor-context"></a>

Defines the invocation context that the contact interceptor methods receive.

**Signature**

```
type ContactInterceptorContext = {
  contactId?: string;
}
```

**Properties**

The following table describes the properties.


| **Property** | **Type** | **Description** | 
| --- | --- | --- | 
| contactId Optional | string | The identifier of the contact that triggered the action. The service omits this value when no specific contact initiated the action. |