MessageTarget

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/MessageTarget",
  "title": "MessageTarget",
  "type": "object",
  "properties": {
    "role": {
      "type": "string",
      "description": "This is the role of the message to target.\n\nIf not specified, will find the position in the message history ignoring role (effectively `any`).",
      "example": "user",
      "enum": [
        "user",
        "assistant"
      ]
    },
    "position": {
      "type": "number",
      "description": "This is the position of the message to target.\n- Negative numbers: Count from end (-1 = most recent, -2 = second most recent)\n- 0: First/oldest message in history\n- Positive numbers: Specific position (0-indexed from start)\n\n@default -1 (most recent message)",
      "example": -1
    }
  }
}