def _get_multi_param(self, param_prefix):
        """
        Given a querystring of ?LaunchConfigurationNames.member.1=my-test-1&LaunchConfigurationNames.member.2=my-test-2
        this will return ['my-test-1', 'my-test-2']
        """
        if param_prefix.endswith("."):
            prefix = param_prefix
        else:
            prefix = param_prefix + "."
        values = []
        index = 1
        while True:
            value_dict = self._get_multi_param_helper(prefix + str(index))
            if not value_dict:
                break

            values.append(value_dict)
            index += 1

        return values