Use: The lightning:quickActionAPI component is use in Lightning Experience only.
Functionality:
1.Create an Action:
2.How to perform lightning:quickActionAPI:
Short description: The lightning:quickActionAPI component is provide to access method for interact with quick action on record Page.This component calls the Lightning Quick Action JavaScript API methods.we need to drag and drop this action button to Quick Action section in page layout.
Demo:
Example:
