How to schedule a sequence to run every week on specific days

How can I schedule a sequence to run every Wednesday of each week of the month?

Use the following cron expression for scheduling : 0 0 0 ? * 4 *. This will trigger at midnight every Wednesday. If you need to modify the time, change the 2nd and 3rd zeros. The 2nd zero represents the minute of the time, and the 3rd represents the hour.

where do I enter the cron expression in?

Go to Triggers, choose the process, and choose Advanced. The place to enter the cron expression will be as shown. If you don’t see it, click in that area and it will appear.