onDelete.js

import("system.logging");
import("Sql_lib");
import("system.neon");
import("system.calendars");
import("system.vars");

var uid;

if (vars.get("$param.Entry_param") != null)
{
    var entry = JSON.parse(vars.getString("$param.Entry_param"));
    var reccurenceid = entry[calendars.RECURRENCEID];
    
    if (reccurenceid == undefined) 
        reccurenceid = null;
    
    uid = entry[calendars.ID];
    calendars.removeEntryByUID(calendars.VEVENT, entry[calendars.USER2]["cn"], uid, reccurenceid);
}
else if(vars.get("$field.OWNER"))
{
    uid = vars.get("$field.UID");
    calendars.removeEntryByUID(calendars.VEVENT, JSON.parse(vars.get("$field.OWNER"))["cn"], uid, vars.get("$field.RECURRENCEID"));
}
    
    /**
     * Deletes ApointmentLinks referring to the deleted Appointment.
     */
    newWhereIfSet("AB_APPOINTMENTLINK.APPOINTMENT_ID", uid)
            .deleteData();