Go to Hostbil Settings -> General Settings -> Task List
Copy text under Create the following Cron Job: discarding "*/5 * * * *"
Login to cPanel
Enter Cron job settings page
In line labeled as Command, pate text from step 2. Set Minute/Hour/Day/Month/Weekday as on the picture below
If you do not want an email to be sent for an individual cron job you can redirect the command's output to /dev/null like this: mycommand >/dev/null 2>&1 e.g.: