# Engage the preview contact for the given contactId in Amazon Connect Agent Workspace
<a name="3P-apps-contact-requests-engagepreviewcontact"></a>

When an agent is previewing a preview contact, this API will actually initiate the outbound dial to the end customer, ending the preview experience.

 **Signature** 

```
engagePreviewContact(contactId: string): Promise<AddParticipantResult>                
```

 **Usage** 

```
const addParticipantResult: AddParticipantResult = await contactClient.engagePreviewContact(contactId);   
```

 **Input** 


|  **Parameter**  |  **Type**  |  **Description**  | 
| --- | --- | --- | 
|  contactId Required  |  string  |  The id of the contact which is being previewed by the agent to which a participant needs to be added.  | 

 **Output - AddParticipantResult** 


|  **Parameter**  |  **Type**  |  **Description**  | 
| --- | --- | --- | 
|  participantId  |  string  |  The id of the newly added participant  | 

 **Permissions required:** 

```
*
```