Use this to enter multiple bids in multiple auctions with one invoice.
Syntax is AuctionId:Bid or AuctionId:LowBid-HighBid and you can type multiple entries below.
e.g. 10:3 10:1 10:5-7 11:4-5
would enter into auction 10 bids 1, 3, 5, 6, 7 and auction 11 bids 4 and 5 all on one invoice of 41.
Just try and then check on next screen that you get what you want.
Only these id's are valid.