Azure AD B2C Overview

App Registrations

• Register your application in Azure AD B2C. 
• Create new application ID or client ID that identifies your application.

Select Identity Provider

• Facebook
• Twitter
• Google
• Amazon
• MS
• Github
• Local account

Select Policy

• User flow- User sign up /sign in, reset , Change password etc.
• Under user flow- select token claims

What is claim is a variable or attributes of logged in person- return user details post login

Claim: 

• Display name
• Email
• Country
• Job Title
• Postcode
• City
• USER OBJECT
• Identity provider