If you are using Events design element in the combination of any of the following connections: 

In some situations, after you click Connect in the Connect tab if you move to the Items Tab, the Recurring and All Day properties will be missing from the associated drop-down list.

However, these two properties will remain mapped even if they don't appear in the associated drop-down list from the right.


Step 1: Close the Page Builder and Open the Element Settings Again

Step 2: Go to the Items Tab and check the Mappings