code: private void addPostParams(final Request request) {
          if (identity != null) {
              for (String prop : identity) {
                  request.addPostParam("Identity", prop);
              }
          }
  
          if (tag != null) {
              for (String prop : tag) {
                  request.addPostParam("Tag", prop);
              }
          }
  
          if (body != null) {
              request.addPostParam("Body", body);
          }
  
          if (priority != null) {
              request.addPostParam("Priority", priority.toString());
          }
  
          if (ttl != null) {
              request.addPostParam("Ttl", ttl.toString());
          }
  
          if (title != null) {
              request.addPostParam("Title", title);
          }
  
          if (sound != null) {
              request.addPostParam("Sound", sound);
          }
  
          if (action != null) {
              request.addPostParam("Action", action);
          }
  
          if (data != null) {
              request.addPostParam("Data", Converter.mapToJson(data));
          }
  
          if (apn != null) {
              request.addPostParam("Apn", Converter.mapToJson(apn));
          }
  
          if (gcm != null) {
              request.addPostParam("Gcm", Converter.mapToJson(gcm));
          }
  
          if (sms != null) {
              request.addPostParam("Sms", Converter.mapToJson(sms));
          }
  
          if (facebookMessenger != null) {
              request.addPostParam("FacebookMessenger", Converter.mapToJson(facebookMessenger));
          }
  
          if (fcm != null) {
              request.addPostParam("Fcm", Converter.mapToJson(fcm));
          }
  
          if (segment != null) {
              for (String prop : segment) {
                  request.addPostParam("Segment", prop);
              }
          }
  
          if (alexa != null) {
              request.addPostParam("Alexa", Converter.mapToJson(alexa));
          }
  
          if (toBinding != null) {
              for (String prop : toBinding) {
                  request.addPostParam("ToBinding", prop);
              }
          }
      }
docs: Add the requested post parameters to the Request.
  
  @param request Request to add post params to