code: function _normalizeArguments(obj) {
      var args = arguments;
  
      if (!obj || Utils.isFunction(obj)) {
        args = Array.prototype.slice.call(arguments, 0);
        args.unshift({});
      }
  
      // Split full path (/actions/_custom) - we get three parts:
      // 1) empty, 2) root path and 3) encoded action type name
      var url = this.path.split('/');
  
      args[0].url = '/' + url[1];
      args[0].params = Utils.extend(args[0].params, {
        filter: {
          name: decodeURIComponent(url[2])
        }
      });
  
      return args;
    }
docs: Normalize arguments for single request. Override resource url to use action types root path and use name filter. Extend params if user defines other params.