View Source ExTDLib.Object.StorePaymentPurposePremiumGiftCodes (ExTDLib v0.0.4)

The user creating Telegram Premium gift codes for other users.

Name	Type	Description
boosted_chat_id	string	Identifier of the channel chat, which will be automatically boosted by the users for duration of the Premium subscription and which is administered by the user; 0 if none.
currency	string	ISO 4217 currency code of the payment currency.
amount	string	Paid amount, in the smallest units of the currency.
user_ids	string	Identifiers of the users which can activate the gift codes.

More details on telegram's documentation.