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

one use

	github.com/gotd/td/tg (current package)
		tl_payments_can_purchase_premium_gen.go#L163: func (c *PaymentsCanPurchasePremiumRequest) GetPurpose() (value InputStorePaymentPurposeClass) {