.NET Aspire is the new kid on the block when it comes to an opinionated, cloud ready stack for building observable, production ready, distributed applications. Having a built-in dashboard for the monitoring data is nice during development. But how do you actually configure OpenTelemetry correctly to send into an observability backend? This is what this talk is all about. And, you'll also learn how to send custom attributes by leveraging OpenTelemetry SDKs.