{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/MultiMessageRequest",
  "title": "MultiMessageRequest",
  "type": "object",
  "description": "Request body for publishing multiple messages in the predefined JSON format. Each message contains a payload and optional properties.",
  "required": [
    "messages"
  ],
  "properties": {
    "messages": {
      "type": "array",
      "description": "Array of messages to publish to the topic.",
      "items": {
        "$ref": "#/components/schemas/MessageItem"
      }
    }
  }
}