Follow this tutorial to create Scheduled Tasks (Cron Jobs) in Plesk.
1. Log in to your Plesk account.
2. Click on Websites & Domains from the Sidebar Menu.
3. Click on the Pull icon in the right sidebar and choose Scheduled Tasks.
4. Under Scheduled Tasks, click on Add Task.
5. Enter the following details:
6. Click OK.
Your task will be scheduled. Click on Run Now to verify the task.