I'll add to the name "thru customer consignation". You enter a component of type "L". Connector sends a reserved material with quantity. Shipped quantity is 0. After a goods movement in SAP (631) the old reserved material entry will be deleted in FSM a new one with quantity and shipped quantity.
Use
It is a material consumption (261) with the special stock "W" 
...
Take to own stock
Here we have two possibilities:
Technician has a standard storage location. Then CS (Consignment -> Standard) material movement will be used:
Technician has a consignment stock. There are two steps necessary. 1st for transfer to a transfer storage location:
And 2nd for book to the technician consignment stock:
