ls.py

# Instrumenting the root trace...
if run := get_current_run_tree():
        # Useful to attach feedback
        if custom_id:
            # Invalid UUID format in custom_id header will be ignored
            with contextlib.suppress(ValueError):
                run.run_id = UUID(custom_id)
                
# Sending feedback
feedback = langsmith_client.create_feedback(
            run_id=custom_id,
            key="user_acceptance",
            value=input.response_type,
        )