{
  "name": "ChatBoostSourceGiveaway",
  "anchor": "chatboostsourcegiveaway",
  "description": [
    "The boost was obtained by the creation of a Telegram Premium or a Telegram Star giveaway. This boosts the chat 4 times for the duration of the corresponding Telegram Premium subscription for Telegram Premium giveaways and prize_star_count / 500 times for one year for Telegram Star giveaways."
  ],
  "table": {
    "headers": [
      "Field",
      "Type",
      "Description"
    ],
    "rows": [
      {
        "field": "source",
        "type": "String",
        "description": "Source of the boost, always “giveaway”"
      },
      {
        "field": "giveaway_message_id",
        "type": "Integer",
        "description": "Identifier of a message in the chat with the giveaway; the message could have been deleted already. May be 0 if the message isn't sent yet."
      },
      {
        "field": "user",
        "type": "User",
        "description": "Optional . User that won the prize in the giveaway if any; for Telegram Premium giveaways only"
      },
      {
        "field": "prize_star_count",
        "type": "Integer",
        "description": "Optional . The number of Telegram Stars to be split between giveaway winners; for Telegram Star giveaways only"
      },
      {
        "field": "is_unclaimed",
        "type": "True",
        "description": "Optional . True , if the giveaway was completed, but there was no user to win the prize"
      }
    ]
  },
  "notes": []
}