# File lib/new_relic/agent/commands/xray_session_collection.rb, line 114
        def add_session(session)
          NewRelic::Agent.logger.debug("Adding X-Ray session #{session.inspect}")
          NewRelic::Agent.increment_metric("Supportability/XraySessions/Starts")

          @sessions_lock.synchronize { @sessions[session.id] = session }

          session.activate
          if session.run_profiler?
            @backtrace_service.subscribe(session.key_transaction_name, session.command_arguments)
          end
        end