{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/Content",
  "title": "Content",
  "type": "object",
  "description": "The base structured datatype containing multi-part content of a message. A Content includes a role field designating the producer of the Content and a parts field containing multi-part data that contains the content of the message turn.",
  "properties": {
    "parts": {
      "type": "array",
      "description": "Ordered Parts that constitute a single message. Parts may have different MIME types.",
      "items": {
        "$ref": "#/components/schemas/Part"
      }
    },
    "role": {
      "type": "string",
      "description": "The producer of the content. Must be either 'user' or 'model'. Useful to set for multi-turn conversations, otherwise can be left blank or unset.",
      "enum": [
        "user",
        "model"
      ]
    }
  }
}