In my experience, it is one of the most popular questions from merchants (they often forget it), so I always write my own instuction and show a link to it in my extenesions backend user interface.
I have got a response from the AlphaCommerceHub support:
This is available on their merchant configuration page within the hub.
But UserID
field is absent from my merchant account:
I have got a response from the AlphaCommerceHub support:
My apologies, I sent you a screenshot of the admin view that I have, which is similar to the merchant view but with some fields omitted.
TheUserID
will only be present in the on boarding email or by contacting support.