{
  "$schema": "https://json-schema.org/draft/2019-09/schema",
  "$id": "https://www.krakend.io/schema/v3.0/messaging/kafka/writer.json",
  "title": "Kafka Writer",
  "description": "Enterprise only. Defines how to write messages to a Kafka cluster",
  "type": "object",
  "required": [ "cluster", "topic" ],
  "properties": {
    "cluster": {
      "title": "Cluster connection details",
      "description": "Settings to establish the connection to the kafka cluster",
      "$ref": "./cluster.json",
      "type": "object"
    },
    "producer": {
      "title": "Producer options",
      "description": "Details about how to write to a topic",
      "$ref": "./producer.json",
      "type": "object"
    },
    "topic": {
      "title": "Topic",
      "description": "Topic to write to",
      "type": "string",
      "@sensitive": 3
    },
    "key_meta": {
      "title": "Key Meta Name",
      "description": "Name of the header where the kafka message key value is written",
      "type": "string"
    }
  },
  "patternProperties": {
    "^[@$_#]": true
  },
  "additionalProperties": false
}