Lightning Aura Components Developer Guide

Introducing Aura Components
Quick Start
Creating Components
Using Components
Communicating with Events
Communicating Across the DOM with Lightning Message Service
Creating Apps
Styling Apps
Developing Secure Code
Using JavaScript
Working with Salesforce Data
Testing Components
Debugging
Performance
Reference
Lightning Component Library
System Tag Reference
JavaScript API
$A namespace
Action
getError()
getName()
getParam()
getParams()
getReturnValue()
getState()
isBackground()
setAbortable()
setBackground()
setCallback()
setParam()
setParams()
setStorable()
AuraLocalizationService
Component
Event
Util
PDF

Note: This release is in preview. Features described here don’t become generally available until the latest general availability date that Salesforce announces for this release. Before then, and where features are noted as beta, pilot, or developer preview, we can’t guarantee general availability within any particular time frame or at all. Make your purchase decisions only on the basis of generally available products and features.

setCallback()

Sets the callback function that is executed after an Apex action returns.

Signature

setCallback (Object scope, function callback, String name)

Parameters

scope
Type: Object
The scope in which the function is executed. Always set this parameter to the keyword this.
callback
Type: function
The callback to invoke after the Apex action returns.
name
Type: String
Defaults to "ALL" which registers callbacks for the "SUCCESS", "ERROR", and "INCOMPLETE" states.