GetReleaseTaskAttachmentContent.
        [Preview API]
        :param str project: Project ID or project name
        :param int release_id:
        :param int environment_id:
        :param int attempt_id:
        :param str plan_id:
        :param str timeline_id:
        :param str record_id:
        :param str type:
        :param str name:
        :rtype: object

def get_release_task_attachment_content(self, project, release_id, environment_id, attempt_id, plan_id, timeline_id, record_id, type, name, **kwargs):
        """GetReleaseTaskAttachmentContent.
        [Preview API]
        :param str project: Project ID or project name
        :param int release_id:
        :param int environment_id:
        :param int attempt_id:
        :param str plan_id:
        :param str timeline_id:
        :param str record_id:
        :param str type:
        :param str name:
        :rtype: object
        """
        route_values = {}
        if project is not None:
            route_values['project'] = self._serialize.url('project', project, 'str')
        if release_id is not None:
            route_values['releaseId'] = self._serialize.url('release_id', release_id, 'int')
        if environment_id is not None:
            route_values['environmentId'] = self._serialize.url('environment_id', environment_id, 'int')
        if attempt_id is not None:
            route_values['attemptId'] = self._serialize.url('attempt_id', attempt_id, 'int')
        if plan_id is not None:
            route_values['planId'] = self._serialize.url('plan_id', plan_id, 'str')
        if timeline_id is not None:
            route_values['timelineId'] = self._serialize.url('timeline_id', timeline_id, 'str')
        if record_id is not None:
            route_values['recordId'] = self._serialize.url('record_id', record_id, 'str')
        if type is not None:
            route_values['type'] = self._serialize.url('type', type, 'str')
        if name is not None:
            route_values['name'] = self._serialize.url('name', name, 'str')
        response = self._send(http_method='GET',
                              location_id='60b86efb-7b8c-4853-8f9f-aa142b77b479',
                              version='5.0-preview.1',
                              route_values=route_values,
                              accept_media_type='application/octet-stream')
        if "callback" in kwargs:
            callback = kwargs["callback"]
        else:
            callback = None
        return self._client.stream_download(response, callback=callback)