Amazon EventBridge now supports AWS AppSync as a target of EventBridge Buses

[Amazon EventBridge](https://aws.amazon.com/eventbridge/) Event Bus now supports [AWS AppSync](https://aws.amazon.com/appsync/) as a target of an Event Bus, which enables you to stream real-time updates such as sport scores and stock updates from your own applications to frontend applications including mobile and desktop. With AppSync as a target, clients can now subscribe to mutations or changes in data and AppSync will notify those subscribers of that data change on successful completion of the mutation. Amazon EventBridge EventBus is a serverless event router that enables you to create scalable event-driven applications by routing events between your own applications, third-party SaaS applications, and AWS services. You can set up rules to determine where to send your data, allowing applications to react to changes in your data as they occur. AWS AppSync is a fully managed service that enables developers to build digital experiences based on real-time data. With AppSync, you can configure data sources to push real-time updates to subscribed clients, while handling connection management, scalability, fan-out and broadcasting. Combined with improved end-to-end latencies for EventBridge, AppSync as a target helps customers stream near real-time data from your applications to enterprise applications, web and mobile apps, IOT Devices, or real-time dashboards. For example, you can get notifications from your order fulfillment system on your current status when orders have been fulfilled, or shipped. AppSync as a target is available at no additional charge for customers across all [AWS Regions](https://aws.amazon.com/about-aws/global-infrastructure/regional-product-services/) where EventBridge and AppSync are available. To get started, please read EventBridge [documentation](https://docs.aws.amazon.com/eventbridge/latest/userguide/eb-targets.html) and AppSync [documentation](https://docs.aws.amazon.com/appsync/latest/devguide/aws-appsync-real-time-data.html).