diff --git a/library/src/calculate_price.cpp b/library/src/calculate_price.cpp
index a385b42..77c9e72 100644
--- a/library/src/calculate_price.cpp
+++ b/library/src/calculate_price.cpp
@@ -497,3 +497,27 @@ CalcState CALCULATE_LIBRARY_API compute_duration_for_daily_ticket(parking_tariff
     return calcState.set(CalcState::State::SUCCESS);
 }
 
+
+CalcState CALCULATE_LIBRARY_API compute_price_for_daily_ticket(
+                                    parking_tariff_t *tariff,
+                                    QDateTime const &startDatetime,
+                                    QDateTime &endDatetime,
+                                    PERMIT_TYPE permitType,
+                                    struct price_t *price) {// return value
+    CalcState calcState;
+
+
+    if (startDatetime.isValid()) {
+        if (std::optional<struct price_t> p =
+            Calculator::GetInstance().GetDailyTicketPrice(tariff,
+                                                          startDatetime,
+                                                          endDatetime,
+                                                          permitType)) {
+           *price = p.value();
+        }
+    } else {
+        return calcState.set(CalcState::State::INVALID_START_DATE);
+    }
+    return calcState.set(CalcState::State::SUCCESS);
+}
+