Open a job and swipe to the right of the screen, then select 'materials'. This will take you to a screen which shows you all the material items currently linked to your job.
Click the plus icon and choose from either of the options presented to you.
Add from products will construct a new material item from an existing product on your device.
When you click Add from products you’ll be presented with a list of all the products you have on your device. You can filter this by either using the search box provided or by clicking the barcode scanner button.
Tap on a product and then click the tick icon at the top of the screen, to create a new material item linked to your job.
'Add new material item' will provide you with a simple form which allows you to enter the details of a material item that you’d like to create.