...
1. Navigate to Apex Classes in the Setup and click on the "Schedule Apex" Button:
2. Schedule a Job
Fill out the following fields:
- Give your job a name name: UpdateAutomaticDeliveryBatch (or any other name)
- search for the Apex Class: InvoiceAutomaticDeliveryBatch
- and select time which are working for your company.
- Then click on save.
...