addSubscriberSourceFilter
Adds a subscriber source filter.
| Input | Type | Description | 
|---|---|---|
| token | AuthToken | Authorization token. | 
| filter | SubscriberSourceFilter | Subscriber source filter. The subscriber source filter identifier is ignored. It is always generated automatically. | 
| Output | Type | Description | 
|---|---|---|
| SubscriberSourceFilter | The added subscriber source filter. |