code: private void taskProperty(RESTRequest request, RESTResponse response) {
          String taskID = RESTHelper.getRequiredParam(request, APIConstants.PARAM_TASK_ID);
          String property = RESTHelper.getRequiredParam(request, APIConstants.PARAM_PROPERTY);
  
          String taskPropertyText = getMultipleRoutingHelper().getTaskProperty(taskID, property);
          OutputHelper.writeTextOutput(response, taskPropertyText);
      }
docs: Returns the value of the property. An IllegalArgument exception is thrown if the value is not an instance of java.lang.String.