Upgrades a regular gift
| business_connection_id |
Unique identifier of business connection on behalf of which to send the request; for bots only |
| received_gift_id |
Identifier of the gift |
| keep_original_details |
Pass true to keep the original gift text, sender and receiver in the upgraded gift |
| star_count |
The amount of Telegram Stars required to pay for the upgrade. It the gift has prepaid_upgrade_star_count > 0, then pass 0, otherwise, pass gift.upgrade_star_count |