Lightning Aura Components Developer Guide

What Is the Lightning Component Framework?
Quick Start
Creating Components
Component Names
Create Aura Components in the Developer Console
Component Markup
Component Namespace
Component Bundles
Component IDs
HTML in Components
CSS in Components
Component Attributes
Using Expressions
Component Composition
Component Body
Component Facets
Controlling Access
Application Access Control
Interface Access Control
Component Access Control
Attribute Access Control
Event Access Control
Using Object-Oriented Development
Best Practices for Conditional Markup
Aura Component Versioning
Components with Minimum API Version Requirements
Validations for Aura Component Code
Using Labels
Localization
Providing Component Documentation
Working with Base Lightning Components
Working with UI Components
Supporting Accessibility
Using Components
Communicating with Events
Creating Apps
Styling Apps
Developing Secure Code
Using JavaScript
Working with Salesforce Data
Using Apex
Testing Components with Lightning Testing Service
Debugging
Performance
Reference
PDF

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Interface Access Control

The access attribute on the aura:interface tag controls whether the interface can be used outside of the interface’s namespace.

Possible values are listed below.

Modifier Description
public Available within your org only. This is the default access value.
global Available in all orgs.

A component can implement an interface using the implements attribute on the aura:component tag.