{
  "additionalProperties": false,
  "properties": {
    "type": {
      "type": "string",
      "enum": [
        "avatar",
        "profile_background",
        "card_background",
        "custom_emoji",
        "composer"
      ]
    },
    "user_id": {
      "type": "integer",
      "description": "required if uploading an avatar"
    },
    "synchronous": {
      "type": "boolean",
      "description": "Use this flag to return an id and url"
    },
    "file": {
      "type": "string",
      "format": "binary"
    }
  },
  "required": [
    "type"
  ]
}