I am trying to setup a Cron job using Webmin to run every 5 min. It needs to target a .php file and run the php script in that file. When I enter the path to the file in the \
Put it in the "command" SLE (single line entry) field. When you reach the scheduling page, click [Run Now] to test.
By all means inspect records written (Webmin unit test) and certainly test (with a stub) the scheduling from Webmin, as some of the Webmin modules are a little flaky.