Data about the boost source
Optional
giveawayIdentifier of a message in the chat with the giveaway; the message could have been deleted already
Optional
starThe number of Telegram Stars to be split between giveaway winners; for Telegram Star giveaways only
True, if the giveaway was completed, but there was no user to win the prize
Optional
userUser that boosted the chat
The client that instantiated this
Protected
_cloneProtected
_update
The client that instantiated this