{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://openrainbow.com/schemas/message",
  "title": "Rainbow Message",
  "description": "Schema for a Rainbow CPaaS message object",
  "type": "object",
  "required": ["id", "content", "from", "to", "type", "timestamp"],
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique message identifier"
    },
    "content": {
      "type": "string",
      "description": "Text content of the message"
    },
    "from": {
      "type": "string",
      "description": "Sender's contact ID"
    },
    "to": {
      "type": "string",
      "description": "Recipient contact ID or bubble ID"
    },
    "type": {
      "type": "string",
      "enum": ["chat", "groupchat"],
      "description": "Message type"
    },
    "timestamp": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 creation timestamp"
    },
    "status": {
      "type": "string",
      "enum": ["sent", "delivered", "read"],
      "description": "Message delivery status"
    }
  }
}