Subject identifier formats configuration (SubjectIdentifier) - Rest PKI Core
SubjectIdentifier is a field that ties the biometric session to a specific person using your system.
By default, the system accepts any identifier format. If you want to restrict which formats are allowed in your application's sessions, follow the steps below:
- Sign in to the dashboard of your instance.
- On the left menu, click Settings.
- Find the Biometric settings section.

- Click Edit and, under Allowed subject identifier formats, select the formats you want to allow: CPF, CNPJ and/or Email.
- Click Save to apply the settings.