Learning Salesforce Lightning Application Development

Using aura:method to call child methods from parent methods

The aura:method command is a very useful utility that allows for defining methods in the child component API, so that a parent component can call the method directly, without having to create event files.

Let's look at the following sample code to understand the syntax.

Let's create a child component with the aura method, as follows, and name the component childMethodCmp:

<aura:method name="sampleMethod" action="{!c.doAction}"  description="Sample method with parameters">  <aura:attribute name="param1" type="String" default="parameter 1"/>  <aura:attribute name="param2" type="Object" /> </aura:method>/* auraMethodController.js */({ doAction : function(cmp, event) {  var params = event.getParam('arguments'); ...