ChallengeStatusReceiver (3ds-sdk 2.5.1.0 API)

```
public interface ChallengeStatusReceiver
```
A callback interface that shall receive challenge status notification from the 3DS SDK at the end of the challenge process.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`cancelled()`	Called when the Cardholder selects the option to cancel the transaction on the challenge screen.
`void`	`completed(CompletionEvent completionEvent)`	Called when the challenge process (that is, the transaction) is completed.
`void`	`protocolError(ProtocolErrorEvent protocolErrorEvent)`	Called when the 3DS SDK receives an EMV 3-D Secure protocol-defined error message from the ACS.
`void`	`runtimeError(RuntimeErrorEvent runtimeErrorEvent)`	Called when the 3DS SDK encounters errors during the challenge process.
`void`	`timedout()`	Called when the challenge process reaches or exceeds the timeout interval that is specified during the `doChallenge` call on the 3DS SDK.

- Method Detail
  - completed
```
void completed(CompletionEvent completionEvent)
```
    Called when the challenge process (that is, the transaction) is completed. When a transaction is completed, a transaction status shall be available.
    
    Parameters:
    
    completionEvent - Information about completion of the challenge process.
  - cancelled
```
void cancelled()
```
    Called when the Cardholder selects the option to cancel the transaction on the challenge screen.
  - timedout
```
void timedout()
```
    Called when the challenge process reaches or exceeds the timeout interval that is specified during the doChallenge call on the 3DS SDK.
  - protocolError
```
void protocolError(ProtocolErrorEvent protocolErrorEvent)
```
    Called when the 3DS SDK receives an EMV 3-D Secure protocol-defined error message from the ACS.
    
    Parameters:
    
    protocolErrorEvent - Information about the protocol error of the challenge process.
  - runtimeError
```
void runtimeError(RuntimeErrorEvent runtimeErrorEvent)
```
    Called when the 3DS SDK encounters errors during the challenge process. These errors include all errors except those covered by the protocolError method.
    
    Parameters:
    
    runtimeErrorEvent - Information about the error(excluding protocol error) of the challenge process.