user_identifersset in a
UserDataobject will be reduced from 100,000 to 20. This is to clarify that each set should represent a single user.
The table below illustrates uploading UserData for two users (John Doe and Max Mustermann), each of whom has two email addresses.
Note that the same total amount of data can be sent in a single request, but each set of
user_identifiers must represent a single person.
If the number of
user_identifiers for a single set exceeds the new limit of 20, a
TOO_MANY_USER_IDENTIFIERS error will be generated.
This will be applied to the two Google Ads API methods that provide