#1 by O30

How to save all biddings with timestamps for one user?

#2 by Chris_oTree

ExtraModel

#3 by O30

Can you please point me to an example? That would be a great help.

#4 by Chris_oTree

Search for ExtraModel here: https://www.otreehub.com/code/
You will find examples such as the auction games which show how to create and retrieve bids.