GraphQL supports the ability to subscribe to event streams to enable somewhat real-time scenarios for both clients and servers. In this episode of the On .NET show, HotChocolate author Michael Staib returns to show us how to enable real-time data fetching with GraphQL using subscriptions . [T02:02] - What is real-time data fetching? [T04:30] - What are subscriptions used for? [T05:48] - Setting up a GraphQL client in Blazor (Demo) [T10:55] - Updating the GraphQL schema with fragments [T16:38] - Updating the Razor components [T24:48] - Using GraphQL variables [T28:18] - Adding subscriptions HotChocolate in GitHub https://github.com/ChilliCream/hotchocolate Subscriptions in GraphQL spec http://spec.graphql.org/June2018/#sec-Subscription Introductions to ASP.NET core https://docs.microsoft.com/en-us/aspnet/core/introduction-to-aspnet-core?view=aspnetcore-3.1 #Blazor #AspNETCore #GraphQL #WebAPI