Azure App Configuration Feature toggling using Feature Manager

 You can store all feature flags in Azure App Configuration and administer them from a single place. App Configuration has a portal UI named Feature Manager that's designed specifically for feature flags. App Configuration also natively supports the .NET Core feature-flag data schema.

In this tutorial, you learn how to:

• Define and manage feature flags in App Configuration.
• Access feature flags from your application.

Reference:Sample Feature toggling