| challengeCancel |
string |
Indicator informing the Access Control Server (ACS) and the Directory Server (DS) that the authentication has been cancelled. For possible values, refer to [3D Secure API reference](https://docs.adyen |
| flow |
string |
The flow used in the challenge. Possible values: * **OTP_SMS**: one-time password (OTP) flow * **OOB**: out-of-band (OOB) flow |
| lastInteraction |
string |
The last time of interaction with the challenge. |
| phoneNumber |
string |
The last four digits of the phone number used in the challenge. |
| resends |
integer |
The number of times the one-time password (OTP) was resent during the challenge. |
| retries |
integer |
The number of retries used in the challenge. |