Select the order you wish to edit

(Note: You can search the order number from the search field at the top of the order page)

Click on the invoice number, this will send you over to a new page

Scroll down to 'Delivery Time & Methods' section

Click "Edit" located on the righthand side, this will open up a popup

You will now be able to specify the quantity

Select what driver you wish to take this order

Then click "Save / Without Notify" to save your new changes

Your new truck will now be added to the order as shown below!

How To Add a New Truck To A Existing Order