Return address - i forgot to put my return address for a repair of an electrical item.

Question

I found an ebay member who can repair my electrical item. I forgot to put my return address when I posted the item . How can I get my return address to him. I think my address will be blocked if i try and include it in a message

papso22 · Accepted Answer

Presumably they are business and so their contact details will be on all their listings.