code: private void addPostParams(final Request request) {
          if (timeout != null) {
              request.addPostParam("Timeout", timeout.toString());
          }
  
          if (priority != null) {
              request.addPostParam("Priority", priority.toString());
          }
  
          if (taskChannel != null) {
              request.addPostParam("TaskChannel", taskChannel);
          }
  
          if (workflowSid != null) {
              request.addPostParam("WorkflowSid", workflowSid);
          }
  
          if (attributes != null) {
              request.addPostParam("Attributes", attributes);
          }
      }
docs: Add the requested post parameters to the Request.
  
  @param request Request to add post params to