SetSubscriptionAttributes

Description

This API is used to modify subscription attributes.

Request

A request includes the following parts:

Request line

PUT /topics/$TopicName/subscriptions/$SubscriptionName?metaoverride=true HTTP/1.1
Special URI parameter

metaoverride=true: The attributes of the subscription will be modified.
Special request header

None. For details, refer to Call method/Public parameters.
Request Body

The request body is in XML format and contains the modified subscription attributes.

Parameter name	Description	Parameter value	Required/Optional
NotifyStrategy	Retry policy that will be applied when an error occurs during message push to the endpoint	BACKOFF_RETRY or EXPONENTIAL_DECAY_RETRY; default value:BACKOFF_RETRY. For details about retry policies, refer to Basic Concepts/NotifyStrategy.	Optional

Response

The response message includes three parts: return status line, HTTP header, and message body.

HTTP Status Code

HTTP/1.1 204 No Content
Special response header

None. For details, refer to Call method/Public parameters.
Response Body

None

Special Error:

Error code	Error message	Status code
SubscriptionNotExist	The subscription you provided does not exits.	404

Request example:

    PUT /topics/$TopicName/subscriptions/$SubscriptionName?metaoverride=true HTTP/1.1
    Host: $AccountId.mns.cn-hangzhou.aliyuncs.com
    Date: Tue, 08 Dec 2015 06:09:22 GMT
    Authorization: MNS 15B4D3461F177624206A:rNT4xclLS297/n0UFYIezzHJI7Q=
    x-mns-version: 2015-06-06
    <?xml version="1.0" encoding="utf-8"?>
    <Subscription xmlns="http://mns.aliyuncs.com/doc/v1/">
        <NotifyStrategy>BACKOFF_RETRY</ NotifyStrategy>
    </Subscription>

Response example:

    HTTP/1.1 204 No Content
    x-mns-request-id:56667412B2B71C9C16000027
    x-mns-version: 2015-06-06