Optionalkeep_Pass True to keep the original gift text, sender and receiver in the upgraded gift
Unique identifier of the regular gift that should be upgraded to a unique one
Optionalstar_The amount of Telegram Stars that will be paid for the upgrade from the business account balance. If gift.prepaid_upgrade_star_count > 0, then pass 0, otherwise, the can_transfer_stars business bot right is required and gift.upgrade_star_count must be passed.
Unique identifier of the business connection