I was wondering about which value should I map for the "booking codes" param in the trivago tag.
What does it mean? And... Where can I map our hotel_id code in your template?
I have a document sent by our trivago account manager which shows different params than yours.
You don't have to stick to the parameters that are listed - if you have different parameters provided by the account manager you can press "cancel" on the mapping toolbox and type in the parameter name instead.
If you need more help with this, send an email with the document from your trivago account manager, to firstname.lastname@example.org and I will take a look