code: function onTablesSelected(tables) {
      // Assign partialed functions to make the code slightly more readable
      steps.collect = mapValues(steps.collect, function(method) {
          return partial(method, adapter, { tables: tables });
      });
  
      // Collect the data in parallel
      async.parallel(steps.collect, onTableDataCollected);
  }
docs: When tables have been selected, fetch data for those tables