Aura Method AuraMethodparent_ex <aura:component > <aura:attribute name="message" type="String" default="------ Hello From Parent -----"/> <c:AuraMethodchild_ex aura:id="childComponent"/> <div class="slds-m-around_xx-large"> <lightning:button variant="brand" label="Call Aura Method" onclick="{!c.callAuraMethod}" /> <BR></BR> <BR></BR> <p>{!v.message}</p> </div> </aura:component> JS: ({ callAuraMethod : function(component, event, helper) { var childCmp = component.find("childComponent"); var...