def get_auth_header(self, user_payload):
        """
        Returns the value for authorization header
        Args:
            user_payload(dict, required): A `dict` containing required information
                to create authentication token
        """
        auth_token = self.get_auth_token(user_payload)
        return '{auth_header_prefix} {auth_token}'.format(
            auth_header_prefix=self.auth_header_prefix, auth_token=auth_token
        )