github.com/gotd/td/tg.PaymentsLaunchPrepaidGiveawayRequest.GetPurpose (method, view implemented interface methods)

one use

	github.com/gotd/td/tg (current package)
		tl_payments_launch_prepaid_giveaway_gen.go#L224: func (l *PaymentsLaunchPrepaidGiveawayRequest) GetPurpose() (value InputStorePaymentPurposeClass) {