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

setParam()

Sets a single parameter for an action. Use parameters to pass data to an Apex action.

Signature

setParam (String key, Object value)

Parameters

key
Type: String
The parameter name.
value
Type: Object
The parameter value.