https://www.dotnetzone.gr:443/cs/blogs/ppolyzos/archive/2020/05/09/understanding-cron-expressions.aspxA CRON expression is a string consisting of six or seven subexpressions (fields), separated by white space, that describe individual details of the schedule. A very useful tool that enables users to schedule tasks to run periodically at a specified date/timeenCommunityServer 2.1 SP3 (Build: 20423.1)