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
createComponent()
createComponents()
enqueueAction()
error()
get()
getCallback()
getComponent()
getReference()
getRoot()
getToken()
log()
reportError()
run()
set()
warning()
Action
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.

get()

Returns a value from the specified global value provider using property syntax.

Signature

get (String key, function callback)

Parameters

key
Type: String
The data key to look up. For example, "$Label.c.labelName" for a custom label.
callback
Type: function
The method to call with the result if a server trip occurs.

Returns

Type: String
The requested value.