getUnsubscribeLink
Retrieve the unsubscription link for a subscription.
| Input | Type | Description | 
|---|---|---|
| token | AuthToken | Authorization token. | 
| int | subscriptionId | The subscription identifier. | 
| String | language | The language of the link. | 
| Output | Type | Description | 
|---|---|---|
| String | The unsubscribe link. If a language is requested that is configured in Contactsend, the link will be in that language. Otherwise, the default language is used. |