diff --git a/library/include/mobilisis/calculate_price.h b/library/include/mobilisis/calculate_price.h
index 735e26a..a20ee5c 100644
--- a/library/include/mobilisis/calculate_price.h
+++ b/library/include/mobilisis/calculate_price.h
@@ -157,6 +157,13 @@ CalcState CALCULATE_LIBRARY_API compute_duration_for_daily_ticket(
                                             parking_tariff_t *tariff,
                                             QDateTime const &start_parking_time,
                                             QDateTime &ticketEndTime);
+
+CalcState CALCULATE_LIBRARY_API compute_price_for_daily_ticket(
+                                            parking_tariff_t *tariff,
+                                            QDateTime const &start_parking_time,
+                                            QDateTime &ticketEndTime,
+                                            PERMIT_TYPE permitType,
+                                            struct price_t *price);
 //#ifdef __cplusplus
 //} // extern "C"
 //#endif