# SmoochApi::AppUserLink ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **type** | **String** | The type of the channel to link. See [**IntegrationTypeEnum**](Enums.md#IntegrationTypeEnum) for available values. | **integrationId** | **String** | The id of the integration to link, it must match the provided type. | [optional] **phoneNumber** | **String** | A String of the appUser’s phone number. It must contain the + prefix and the country code. Required for *messenger*, *twilio*, *messagebird* and *whatsapp* linking. | [optional] **address** | **String** | A String of the appUser’s email address. Required for *mailgun* linking. | [optional] **givenName** | **String** | A String of the appUser’s given name. Used as additional criteria to increase the likelihood of a match. (Optional) Used for *messenger* linking. | [optional] **surname** | **String** | A String of the appUser’s surname. Used as additional criteria to increase the likelihood of a match. (Optional) Used for *messenger* linking. | [optional] **subject** | **String** | Subject for the outgoing email. (Optional) Used for *mailgun* linking. | [optional] **confirmation** | [**Confirmation**](Confirmation.md) | Allows you to specify the strategy used to initiate a link with the target user. |