An example of the event flow in Flight.

data_users.js

define(function(require) {
  var defineComponent = require('flight/lib/component');
  return defineComponent(users);
  
  var users = function() {
    this.loadUsers = function(ev, data) {
      var users = [{id: 1, name: 'Jack'}, {id:2, name: 'Jill'}];
      this.trigger(document, 'dataUsers', {users: users});
    };
    
    this.after('initialize', function() {
      this.on(document, 'uiNeedsUsers', this.loadUsers);
    });
  }
});

main.js

require(['data/users', 'ui/users'], function(UsersData, UsersUI) {
  UsersData.attachTo(document);
  UsersUI.attachTo(document);
});

ui_users.js

define(function(require) {
  var defineComponent = require('flight/lib/component');
  return defineComponent(users);
  
  var users = function() {
    this.renderUsers = function(ev, data) {
      // Render the users however you want
    };
    
    this.after('initialize', function() {
      this.trigger(document, 'uiNeedsUsers');
      this.on(document, 'dataUsers', this.RenderUsers);
    });
  }
});