eM Client Calendar Setup

1. Go to the menu in the top left: 
 
 
 2. Add account: 
 
 
 3. Select calendar and CalDev: 
 
 
 4. Fill out the information with your Synology login credentials and "https://cloud.arc8productions.com/caldav/": 
 
 
 5. Specify what you want your account to show up as in the calendar view (e.g. Synology Calendar): 
 
 
 6. Click Finished and it should authenticate and show up in your calendar view