Handling different URLs with backbone.js

FindUserCollection.js

var FindUserCollection = Backbone.Collection.extend({
  model: User,
  baseUrl: "/api/v2/users",
  url: function() {
    return this.baseUrl + '?' + $.param({
      search: this.search,
      limit: this.limit
    });
  }
  search: null,
  limit: null
});

UserCollection.js

var UserCollection = Backbone.Collection.extend({
  model: User,
  baseUrl: "/api/v2/users",
  url: function() {
    return this.baseUrl;
  }
  search: null,
  limit: null
});