code: public StartRecordingResponse startRecording(String sessionId, String recording) {
          checkStringNotEmpty(sessionId, "The parameter sessionId should NOT be null or empty string.");
          checkStringNotEmpty(recording, "The parameter recording should NOT be null or empty string.");
          StartRecordingRequest request = new StartRecordingRequest().withSessionId(sessionId);
          InternalRequest internalRequest = createRequest(HttpMethodName.PUT, request, LIVE_SESSION, sessionId);
          internalRequest.addParameter(RECORDING, recording);
          return invokeHttpClient(internalRequest, StartRecordingResponse.class);
      }
docs: Start live session recording.
  
  @param sessionId Live session id.
  @param recording Live recording preset name.
  @return the response