authenticateUser
Starts authentication flow. On success, the function will return a OWRegistrationResponse.
Future<OWRegistrationResponse> authenticateUser(
    String profileId,
    OWAuthenticatorType? authenticatorType,
  )
| Parameter | Type | Description | 
|---|---|---|
| profileId | String | ProfileId of the user that you want to authenticate. | 
| authenticatorType | OWAuthenticatorType? | Optional authenticatorType to use for authentication | 
var registrationResponse = await Onegini.instance.userClient
  .authenticateUser(context, profileId, authenticatorType);