public ControlResponse advanceVerification(String requestId) throws IOException, NexmoClientException {
        return this.control.execute(new ControlRequest(requestId, VerifyControlCommand.TRIGGER_NEXT_EVENT));
    }
public ControlResponse advanceVerification ( String requestId ) throws IOException , NexmoClientException { return this . control . execute ( new ControlRequest ( requestId , VerifyControlCommand . TRIGGER_NEXT_EVENT ) ) ; }
Advance a current verification request to the next stage in the process.

@param requestId The requestId of the ongoing verification request.
@return A {@link ControlResponse} representing the response from the API.
@throws IOException          If an IO error occurred while making the request.
@throws NexmoClientException If the request failed for some reason.