DeviceCVMCancellationSignal (TSHPay API)

```
public interface DeviceCVMCancellationSignal
```
Provides the ability to cancel a biometric authentication operation in progress.
Notes:
- This is only relevant if CHVerificationMethod is BIOMETRICS.
- An instance of this class can be obtained from DeviceCVMVerifierInput.getDeviceCVMCancellationSignal().
See Also:

CancellationSignal

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`cancel()`	Cancels the biometric authentication operation started by `DeviceCVMVerifier.startAuthentication(DeviceCVMVerifierInput)` if `CHVerificationMethod` is `BIOMETRICS`.

- Method Detail
  - cancel
```
void cancel()
```
    Cancels the biometric authentication operation started by DeviceCVMVerifier.startAuthentication(DeviceCVMVerifierInput) if CHVerificationMethod is BIOMETRICS.