The code for Click & Collect? If eBay do not email you this number then contact eBay Customer Service.
Do not dally over this, once notified it is in store you have 7 days to pick it up, after that thee store can do with the item as they wish.
Contact them this way
https://www.ebay.co.uk/help/contact_us?id=4814&st=10
The contact links can be found on the left on that page.
Lines open today between 9 a.m. and 6 p.m.
