{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/IndexFileInput",
  "title": "IndexFileInput",
  "type": "object",
  "description": "Input for adding a file to an index.",
  "required": [
    "file_id"
  ],
  "properties": {
    "file_id": {
      "type": "string",
      "description": "Identifier of the file to add to the index."
    },
    "metadata": {
      "type": "object",
      "additionalProperties": true,
      "description": "Optional custom metadata to associate with the file."
    }
  }
}