ToolMessage

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/ToolMessage",
  "title": "ToolMessage",
  "type": "object",
  "properties": {
    "role": {
      "type": "string",
      "description": "This is the role of the message author",
      "default": "tool",
      "enum": [
        "tool"
      ]
    },
    "content": {
      "type": "string",
      "description": "This is the content of the tool message",
      "maxLength": 10000
    },
    "tool_call_id": {
      "type": "string",
      "description": "This is the ID of the tool call this message is responding to"
    },
    "name": {
      "type": "string",
      "description": "This is an optional name for the participant",
      "maxLength": 40
    },
    "metadata": {
      "type": "object",
      "description": "This is an optional metadata for the message"
    }
  },
  "required": [
    "role",
    "content",
    "tool_call_id"
  ]
}