* Added support for [Infinite Tracing on New Relic
  Edge](https://docs.newrelic.com/docs/understand-dependencies/distributed-tracing/enable-configure/enable-distributed-tracing).

  Infinite Tracing observes 100% of your distributed traces and provides
  visualizations for the most actionable data so you have the examples of errors
  and long-running traces so you can better diagnose and troubleshoot your systems.

  You configure your agent to send traces to a trace observer in New Relic Edge.
  You view your distributed traces through the New Relic’s UI. There is no need to
  install a collector on your network.

  Infinite Tracing is currently available on a sign-up basis. If you would like to
  participate, please contact your sales representative.

* Added  to lambda metadata payload.

 This is pulled from an invocation's  value.