anchor.diff:  
   |5
   |`ts_ms`
  -a|Optional field that displays the time at which the connector processed the event. The time is based on the system clock in the JVM running the Kafka Connect task.
  +a|Optional field that displays the time at which the connector processed the event. The time is based on the system clock in the JVM running the Kafka Connect task.  +
  + +
  +In the `source` object, `ts_ms` indicates the time that the change was made in the database. By comparing the value for `payload.source.ts_ms` with the value for `payload.ts_ms`, you can determine the lag between the source database update and {prodname}.
   
   |===
   
  
positive.code:       "event_serial_no": "2"
      },
      "op": "u", // <4>
      "ts_ms": 1559729998706
    }
  }
  ----
  
negative.code:       "version": "{debezium-version}",
        "connector": "sqlserver",
        "name": "server1",
        "ts_ms": 1559729995937,
        "snapshot": false,
        "db": "testDB",
        "schema": "dbo",
  