Open Hikcentral Pro Web client

Click on 4 squares Top left corner> General> Event and Alarm

Add Event and Alarm : 

Basic information>Triggering Event >Access Control> Alarm input>check the box next to Alarm Input

Source>Select the ACU > select CaseIn or AlarmIn

click on Actions > Add Linkage Action> Link Access Point

Access  Point> Specified Access Point >+Add

Link Access Point> select the Access control Panel> Select the Door > Add

Action> select corresponding action > Add