basic explanation for how to deploy a lambda with extensions like telemetry?

[evbo]

Say I want to collect billed time and timeout metrics using telemetry, sending it to cloudwatch.

How do I use this library to package and deploy such a telemetry extension as a separate layer?

[evbo]

this is the part I was missing. I didn't realize extensions/layers were documented on a separate readme: https://github.com/awslabs/aws-lambda-rust-runtime/tree/main/lambda-extension#deployment

I'll leave this open to document any additional tricks necessary to integrate an extension with a function