{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "delta": {
      "type": "string"
    },
    "itemId": {
      "type": "string"
    },
    "threadId": {
      "type": "string"
    },
    "turnId": {
      "type": "string"
    }
  },
  "required": ["delta", "itemId", "threadId", "turnId"],
  "title": "AgentMessageDeltaNotification",
  "type": "object"
}