{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/UpdateSystemMessage",
  "title": "UpdateSystemMessage",
  "properties": {
    "message_type": {
      "type": "string",
      "const": "system_message",
      "title": "Message Type",
      "default": "system_message"
    },
    "content": {
      "type": "string",
      "title": "Content",
      "description": "The message content sent by the system (can be a string or an array of multi-modal content parts)"
    }
  },
  "type": "object",
  "required": [
    "content"
  ]
}