def __init__(self, auth_class_ref=None, timestamp=None, issuer=None):
        """
        Initiate the data carrier

        :type auth_class_ref: str
        :type timestamp: str
        :type issuer: str

        :param auth_class_ref: What method that was used for the authentication
        :param timestamp: Time when the authentication was done
        :param issuer: Where the authentication was done
        """
        self.auth_class_ref = auth_class_ref
        self.timestamp = timestamp
        self.issuer = issuer
def __init__ ( self , auth_class_ref = None , timestamp = None , issuer = None ) : self . auth_class_ref = auth_class_ref self . timestamp = timestamp self . issuer = issuer
Initiate the data carrier

        :type auth_class_ref: str
        :type timestamp: str
        :type issuer: str

        :param auth_class_ref: What method that was used for the authentication
        :param timestamp: Time when the authentication was done
        :param issuer: Where the authentication was done