Lightning Event:

tripEventer, attribute - trip, Trip__c

Component Item:

<aura:registerEvent name="openTripEvent" type="c:tripEventer"/>
<lightning:button class="slds-align_absolute-center" onclick="{!c.openTripAction}" label="Open Form"/><br/>

Component Item Controller:

openTripAction: function (component, event, helper) {
var action = component.getEvent('openTripEvent');
action.setParam('trip', component.get("v.trip"));
alert('gree from item button');

Component Form:

<aura:attribute type="String" name="test" default="nothing"/>
<aura:handler name="openTripEvent" action="{!c.handleOpenForm}" event="c:tripEventer"/>

Component Form Controller:

handleOpenForm: function (component, event, helper) {
component.set("v.test", "something");
alert('im here');

and I don't see alert 'i'm here, handleOpenForm js-action isn't fired


Do not specify the name attribute on an aura:handler for application events. This is specifically stated in the documentation:

The handler for an application event won’t work if you set the name attribute in <aura:handler>. Use the name attribute only when you’re handling component events.

Removing the name attribute should resolve the problem.

| improve this answer | |
  • but it's component event.i thought about it. so you think that [item component] inside of [list component] can't catch [form component]? just change to application event? – Ivan S. Jun 6 '19 at 14:53

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