To schedule an alert details report using the Web UI, use the Schedule Report form and specify the Alert Details report type.

Prerequisites
In the Time field, set the time of day in hours and minutes (00:00)
If you selected a weekly report, specify the report day of the week in the WeekDay field.
If you selected a monthly report, specify the report day of the month in the MonthDay field.
In the Report Type field, select Alert Details.