The current grouping as of (v23) for filter_updated parameters is limiting and should instead allow the user to specify the field in the schema that checks for an update. The reason for this is two fold: Having the parameters grouped requires the user to reference PDL documentation to understand which field fits in which group making setting the parameters inefficient Having mobile_phone in the phone_numbers group would charge a user if a non-mobile number updated when they may care about mobile-only