docs/8.0/ayanova/docs/svc-workorders.md

@@ -142,7 +142,33 @@ If this was a larger work order with multiple work order items then each separat
 
 Next up is to select the exact Customer [Unit](svc-units.md) that requires service as this particular work is to repair an item of equipment that we track in AyaNova:
 
-####
+#### Select a Work order item Unit
+
+Now that we have a work order item the Work order item context menu will be able to offer all the different types of objects that can be added to this item.
+Clicking on it again reveals a much larger set of items:
+
+![Work order walkthrough 17](img/svc-work-order-walk17.png)
+
+All of these items are optional and none of them will appear on the work order form unless that type of object is added. 
+
+Because we are intended to service a specific piece of equipment owned by the Customer and we want to keep track of it in AyaNova we will add this Unit to be serviced to the work order so we'll click on the _Work order item unit_ option in _Add_ section of the menu. 
+
+![Work order walkthrough 18](img/svc-work-order-walk18.png)
+
+A new, empty Work order item Unit record is now added to the work order and as we can see it requires a Unit to be selected. This list contains all the [Units](svc-units.md) previously entered for the selected Customer.
+
+We'll go ahead and select a Unit and also save the Work order again since we've added a few things now.
+
+![Work order walkthrough 19](img/svc-work-order-walk19.png)
+
+The Unit has been added and some desriptive information about it is displayed in the work order item Units table.  The other fields here in the work order item Unit record are optional, (we could even [hide them](ay-customize.md) if we don't need them). Nothing more needs to be done here so we'll now schedule a service technician to do the work.
+
+#### Schedule a service technician
+
+A service technician is scheduled on a work order by adding a work order item scheduleable user record so we'll go back to the Work order item context menu again and select to add a scheduled User to this work order item:
+
+![Work order walkthrough 20](img/svc-work-order-walk20.png)
+
 
 ## How to use collections