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

one use

	github.com/gotd/td/tg (current package)
		tl_payments_assign_app_store_transaction_gen.go#L190: func (a *PaymentsAssignAppStoreTransactionRequest) GetPurpose() (value InputStorePaymentPurposeClass) {