1. Create a product that has the following attributes:

• Product Type = Service

• Invoicing Policy = Delivered quantities
  

• Track Service = Create a task and track hours

2. Add this product to a Sales Order:

When you confirm the Sales Order, a Project will automatically be created (the name will match the Sales Order name) with a Task (matching the name of your product from Step 1).

3. Open the Task, click on the Timesheet tab, and log hours:

4. Observe back on your Sales Order, that the "Quantity Delivered" matches the hours logged in the Task:

5. Click CREATE INVOICE.