code: private void addPostParams(final Request request) {
          if (friendlyName != null) {
              request.addPostParam("FriendlyName", friendlyName);
          }
  
          if (apnCredentialSid != null) {
              request.addPostParam("ApnCredentialSid", apnCredentialSid);
          }
  
          if (gcmCredentialSid != null) {
              request.addPostParam("GcmCredentialSid", gcmCredentialSid);
          }
  
          if (messagingServiceSid != null) {
              request.addPostParam("MessagingServiceSid", messagingServiceSid);
          }
  
          if (facebookMessengerPageId != null) {
              request.addPostParam("FacebookMessengerPageId", facebookMessengerPageId);
          }
  
          if (defaultApnNotificationProtocolVersion != null) {
              request.addPostParam("DefaultApnNotificationProtocolVersion", defaultApnNotificationProtocolVersion);
          }
  
          if (defaultGcmNotificationProtocolVersion != null) {
              request.addPostParam("DefaultGcmNotificationProtocolVersion", defaultGcmNotificationProtocolVersion);
          }
  
          if (fcmCredentialSid != null) {
              request.addPostParam("FcmCredentialSid", fcmCredentialSid);
          }
  
          if (defaultFcmNotificationProtocolVersion != null) {
              request.addPostParam("DefaultFcmNotificationProtocolVersion", defaultFcmNotificationProtocolVersion);
          }
  
          if (logEnabled != null) {
              request.addPostParam("LogEnabled", logEnabled.toString());
          }
  
          if (alexaSkillId != null) {
              request.addPostParam("AlexaSkillId", alexaSkillId);
          }
  
          if (defaultAlexaNotificationProtocolVersion != null) {
              request.addPostParam("DefaultAlexaNotificationProtocolVersion", defaultAlexaNotificationProtocolVersion);
          }
      }
docs: Add the requested post parameters to the Request.
  
  @param request Request to add post params to