To find out if a user has completed the verification process, canceled it or there was an error. To do this, you can implement the following callback methods:
This callback method is triggered once a user starts the verification flow.
Method that is being called once verification data is submitted to Preventor.
Method that is being called once a user clicks the "Finish" button.
This callback method fires when a user canceled the verification flow, the verification ended with an error, or the user performed an incorrect process. You can use this to find out the reason for the error.