After a list saved successfully it will navigate to list edit scree and there you may add item to the list.
Or you may click "Manage Items" button in list screen.
You have two ways to add item, add manually enter or import by CSV file.
You may download the CSV template file to organize your own CSV file. Make sure only one column in each row of your CSV.
There is also an option to Export all items to CSV file.
***Make sure what you enter is a valid email address when add item to email list. If by CSV then the column of every row should be a valid email address.
***Email domain name only support adding manually
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