Supports defining notification time using cron

[iferencz]

Is your feature request related to a problem? Please describe.

No

Describe the solution you'd like

Does it support the cron method to define the notification time, such as 0 7 * * *, and the notification will be sent at 7 o'clock every morning. Thank you very much.

Additional context

None

[Casvt]

Looks like there is a cron parser, so this is feasible (though still a big undertaking).