text: // Constructor
  function ResponseMessage() {
    // always initialize all instance properties
    this.code = null;
    this.body = null;
    this.status = null;
    this.error = null;
  }
  
  // class methods
  ResponseMessage.prototype.code = function() {
  	return this.code;
  };
  
  
  ResponseMessage.prototype.status = function() {
  	return this.status;
  };
  
  ResponseMessage.prototype.body = function() {
  	return this.body;
  };
  
  ResponseMessage.prototype.errro = function() {
  	return this.error;
  };
  
  
  // export the class
  module.exports = ResponseMessage;