[EMAIL_1], so the model can still tell people apart. It covers emails, phone numbers, and patterns such as card numbers.
pii_mask we follow it. If it doesn’t, we follow your organization’s default. If neither is set, masking is off. That means you can send false to turn masking off for one request when your organization has it on.
If masking is on and it fails, we stop the request rather than send it unmasked.