We set this up automatically if you grant us admin access to the account but if you can’t grant access here’s how to set it up.
GA4 Implementation Index:
Google Analytics
Go to Account > Account access management
Click on symbol 
and Add user:
starting-account-qt088gd8luzf@quickstart-1672668784176.iam.gserviceaccount.com
as Viewer role:
Property Settings
Set up Currency displayed in Reports. First check what Currency it is set up on the Booking Platform.
Then Go to Account > Property > Property Settings and apply according to Booking Platform settings:
Tag settings
Access to your Google Analytics Account and select your GA4 Property:
Then click on Data Streams > and select your website (click on the arrow )
In the same screen, Web stream details, click on Configure tag settings at the bottom:
Then click on Settings > Show all:
Now we are going to set up cross-domain tracking. First, click on Configure your domains and add the hotel domain and Bookassist domain, just the name and the prefix, without www. or https://
Example:
Click Save button.
After that, click on List unwanted referrals, and follow same steps, add hotel domain and bookassist domain, example:
Click Save button.
Data retention settings
Change Data retention length of time as maximum as possible:
