PropertyId - This is the identifier of the property in Google Analytics, according to which information is collected from applications (there may be several).

To determine the Google Analytics 4 property ID:

1. Visit Google Analytics
2. Select Admin. 
3. Select Property. 
4. Select Property Settings. 

To customize the transfer of propertyId 

1. Create a service account
2.  Grant service account rights to all analytics. 
3. Find propertyId in Analytics.
4. Grant Analyst rights to this service account