public ServiceFuture<PersistedFace> addFaceFromUrlAsync(String faceListId, String url, AddFaceFromUrlOptionalParameter addFaceFromUrlOptionalParameter, final ServiceCallback<PersistedFace> serviceCallback) {
        return ServiceFuture.fromResponse(addFaceFromUrlWithServiceResponseAsync(faceListId, url, addFaceFromUrlOptionalParameter), serviceCallback);
    }
public ServiceFuture < PersistedFace > addFaceFromUrlAsync ( String faceListId , String url , AddFaceFromUrlOptionalParameter addFaceFromUrlOptionalParameter , final ServiceCallback < PersistedFace > serviceCallback ) { return ServiceFuture . fromResponse ( addFaceFromUrlWithServiceResponseAsync ( faceListId , url , addFaceFromUrlOptionalParameter ) , serviceCallback ) ; }
Add a face to a face list. The input face is specified as an image with a targetFace rectangle. It returns a persistedFaceId representing the added face, and persistedFaceId will not expire.

@param faceListId Id referencing a particular face list.
@param url Publicly reachable URL of an image
@param addFaceFromUrlOptionalParameter the object representing the optional parameters to be set before calling this API
@param serviceCallback the async ServiceCallback to handle successful and failed responses.
@throws IllegalArgumentException thrown if parameters fail the validation
@return the {@link ServiceFuture} object