code: function commandAlias(context, name) {
      let value;
      context.alias = context.alias || {};
  
      value = context.last;
  
      name = context.valueOf(name, true);
      value = context.valueOf(value, true);
  
      if (context.debug) {
          log.debug('cmd alias ' + stringify(name) + ' ' + stringify(value));
      }
      context.alias[name] = value;
  
      return (context.last = [VALUE, value]);
  }
docs: Stores or retrieves a value with the given name in the context