fingerprintUserVerifier abstract method Null safety

OutOfBandAuthentication fingerprintUserVerifier(
  1. FingerprintUserVerifier fingerprintUserVerifier
)

Specifies the object that will take care of the fingerprint user verification.

IMPORTANT
Providing at least one of the PinUserVerifier, BiometricUserVerifier or FingerprintUserVerifier is required.

Params:

Returns: an OutOfBandAuthentication object.

Implementation

OutOfBandAuthentication fingerprintUserVerifier(
  FingerprintUserVerifier fingerprintUserVerifier,
);