title: AuthenticationValue
anyOf:
  - title: OtpValue
    type: string
    pattern: ^\d{3,10}$
    description: >-
      The API data type OtpValue is a JSON String of 3 to 10 characters,
      consisting of digits only. Negative numbers are not allowed. One or more
      leading zeros are allowed.
  - title: QRCODE
    type: string
    minLength: 1
    maxLength: 64
    description: QR code used as a One Time Password.
  - title: U2FPinValue
    type: object
    additionalProperties: false
    description: >
      U2F challenge-response, where payer FSP verifies if the response
      provided by end-user device matches the previously registered key.
    properties:
      pinValue:
        type: string
        pattern: ^\S{1,64}$
        minLength: 1
        maxLength: 64
        description: >
          U2F challenge-response, where payer FSP verifies if the response
          provided by end-user device matches the previously registered key.
      counter:
        title: Integer
        type: string
        pattern: ^[1-9]\d*$
        description: >-
          Sequential counter used for cloning detection. Present only for U2F
          authentication.
    required:
      - pinValue
      - counter
pattern: ^\d{3,10}$|^\S{1,64}$
description: >-
  Contains the authentication value. The format depends on the
  authentication type used in the AuthenticationInfo complex type.