As a standard, you will get notifications on all items that has been assigned to you. The bell in the top right corner shows a number, indicating the amount of new notifications you have gotten, and you can click on the bell to access the list of notifications.
If you wish, you can also get these notifications on email. To turn this on you can do the following steps:
On web.checkd.it, click on your profile icon in the top right corner.
Then click on 'Profile'
From the profil page, click on the toggle button to toggle on 'Reveive maiø gå ned og trykk på knappen for 'Receive email everytime a new ITEM is delegated to you'.
(Click on the image below to see it in another tab)