Handy endpoint to modify configurations for elasticsearch sink connector:
`http://dev-httpd-myron:28083/connectors/sink-elastic-06/config`
You can use curl or postman to PUT the following configuration:
```
{
    "connector.class": "io.confluent.connect.elasticsearch.ElasticsearchSinkConnector",
    "tasks.max": "1",
    "topics": "LABEL_PARTICIPANT_UUID_TEST_REKEYED",
    "connection.url": "https://vpc-dev-mymac-kafka-neo4j-swmab7laolvwt7rp7utfnhtbxm.us-east-1.es.amazonaws.com/",
    "key.ignore": "false",
    "type.name": "lp_test",
    "schema.ignore": "true",
    "key.converter": "org.apache.kafka.connect.storage.StringConverter",
    "value.converter": "org.apache.kafka.connect.json.JsonConverter",
    "value.converter.schemas.enable": "false"    
}
```

Please refer to ksql-server setup which has added instructions around how to transform the data to match what's required by Elasticsearch Sink connect:
https://github.com/theorchard/collab/tree/master/mymac80/ksqldb-server