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Below is the list of built-in Listeners provided with the new system.

JSON Report listener: is a configurable report that writes diagnostic data to a hierarchical JSON document at render exit and on checkpoint exits.

Print ListenerA  is a "Hello World" example Listener which prints raw data to the console.

Snapshot ListenerPrints  prints a snapshot of stats on demand or at the end of a render. The snaphshot is a summary plus a configurable set of additional metrics.

Telemetry ListenerFormatted  produces formatted output for testing, debugging, or benchmarks. Can It c stream JSON-formatted data to the console during a render, or write a final-report CSV file.

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