You can indicate the user verification requirements during the ceremonies by setting the value in your options.
Authenticator registration
$authenticatorSelectionCriteria = AuthenticatorSelectionCriteria::create()
->setUserVerification(AuthenticatorSelectionCriteria::USER_VERIFICATION_REQUIREMENT_DISCOURAGED)
;
$publicKeyCredentialCreationOptions =
PublicKeyCredentialCreationOptions::create(
$rpEntity,
$userEntity,
$challenge,
$publicKeyCredentialParametersList,
)
->setAuthenticatorSelection($authenticatorSelectionCriteria)
;
// Public Key Credential Request Options
$publicKeyCredentialRequestOptions = PublicKeyCredentialRequestOptions::create(random_bytes(32))
->setUserVerification(
PublicKeyCredentialRequestOptions::USER_VERIFICATION_REQUIREMENT_DISCOURAGED
)
;