index.js

$(function() {
	var controller = {
		__name: 'parrentController',
		_sendController: aController,
		_buttonController: bController,
    __meta: {
			_sendController: {
				rootElement: '#container1'
			},
			_buttonController: {
				rootElement: '#container2'
			}
		},
		__ready: function() {
			
		},
		'{rootElement} sendMessage': function(context) {
			let text = context.evArg.text;
			this._buttonController.getMessage(text);
		}
	}
	
	h5.core.controller('#container', controller);	
});