Symbol

The property that uniquely identifies the list. Defaults to Symbol.for("can.listQuery").

var dataUrl = require("can-connect/data/url/");
var connection = connect([dataUrl], {
  listQueryProp: "set"
});

var list = [{id: 1, ...}, {id: 2, ...}]
list.set = {complete: true};

connection.listQuery(list) //-> {complete: true}