A .HAR file can be used to help determine what information is being posted on each web request and what responses we are getting. This is used to help troubleshoot the web consoles.
1. In Chrome browse to one step before what you want to capture. Then from the menu go to the More Tools -> Developer Tools.
2. Once this is open navigate to the network tab.
3. Once on this tab perform the one step you are trying to capture. Once the traffic halts you can right click in the list and save as a HAR file.
Once complete you can attach the saved file to your support case.