Emqx, Ekuiper.
"unnest_station_array", "sql": "SELECT unnest(network.stations) FROM citybike_data", "actions": [{ "log": { }, "memory": { "topic": "channel/data" } }] } 4. Send the Request: Click on the Send button to create the RULE in eKuiper. 5. Review the Response: After sending the request, you should