delayed: { enable: true max_delayed_messages: 0 } recon: { enable: true } telemetry: { enable: true } event_message: { topics: [ "$event/client_connected", "$event/client_disconnected", "$event/session_subscribed", "$event/session_unsubscribed", "$event/message_delivered", "$event/message_acked", "$event/message_dropped" ] } topic_metrics:{ topics: ["topic/#"] } rewrite:{ rules: [ { action: publish source_topic: "x/#" re: "^x/y/(.+)$" dest_topic: "z/y/$1" } ] }