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ApsaraVideo VOD:Audio and video refresh or prefetch completed

Last Updated:Jan 27, 2026

This topic describes the SubmitMediaRefreshComplete event, its notification content, and callback examples.

Event type

SubmitMediaRefreshComplete

Event description

After you call the RefreshMediaPlayUrls operation, ApsaraVideo VOD submits a separate refresh or prefetch request for each of a media file's playback URLs. This process generates multiple task IDs. The SubmitMediaRefreshComplete event is triggered after all of these requests are submitted.

Note

You cannot configure this callback event in the ApsaraVideo VOD console. To configure this event, call the SetMessageCallback operation.

Event content

Parameter Name

Type

Required

Description

EventTime

String

Yes

The time when the event was generated. The time is in UTC and follows the yyyy-MM-ddTHH:mm:ssZ format.

EventType

String

Yes

The event type. This is a system parameter. The value is fixed to SubmitMediaRefreshComplete.

Status

String

Yes

Indicates whether the refresh or prefetch task was successfully submitted. Valid values:

  • success

  • fail

MediaRefreshJobId

String

Yes

The ID of the refresh or prefetch job.

MediaId

String

Yes

The media ID. This can be an audio ID or a video ID.

TaskType

String

Yes

The task type. Valid values:

  • Refresh

  • Preload: Prefetch

SuccessPlayUrls

String

Yes

The playback URLs for which refresh or prefetch tasks were successfully submitted. Separate multiple URLs with a comma (,).

TaskIds

String

Yes

The IDs of the refresh or prefetch tasks for the playback URLs. Each URL corresponds to one task ID. Use this task ID to query the status of each task by calling the DescribeVodRefreshTasks operation.

FilterPolicy

String

Yes

The policy for filtering playback streams. This is in JSON format and contains the request parameters of the RefreshMediaPlayUrls operation.

Extend

String

No

The custom pass-through parameters.

ErrorCode

String

No

The error code. This field is returned when the refresh or prefetch task fails to be submitted.

ErrorMessage

String

No

The error message. This field is returned when the refresh or prefetch task fails to be submitted.

Callback examples

The following notes apply to the callback examples:

  • For HTTP callbacks, the following content is the HTTP POST body.

  • For MNS callbacks, the following content is the message body.

  • Task completed successfully.

    {
    "SuccessPlayUrls":"https://shenzhen.****.aliyuncdn.com/2defb8b2cb85b87206646055c95****/62948766/sv/4841bb0f-1810a5fc460/4841bb0f-1810a5****.mp4",
    "Status":"success",
    "MediaId":"affab1a4c6ed4408aead501f32b5****",
    "FilterPolicy":"{\"SliceFlag\":false,\"ResultType\":\"Single\"}",
    "TaskIds":"1460435****",
    "EventType":"SubmitMediaRefreshComplete",
    "EventTime":"2022-05-30T08:59:21Z",
    "MediaRefreshJobId":"c5ae61bf9af1****",
    "TaskType":"refresh"
    }
  • The task failed.

    {
    "Status":"fail",
    "MediaId":"e8a73a514fb74fd79ff77c26dbfb****",
    "FilterPolicy":"{\"SliceFlag\":false,\"ResultType\":\"Single\"}",
    "EventType":"SubmitMediaRefreshComplete",
    "EventTime":"2022-05-30T08:56:14Z",
    "MediaRefreshJobId":"aa23298375bd****",
    "TaskType":"refresh",
    "ErrorCode":"InvalidDomain.NotFound",
    "ErrorMessage":"Can't find domain."
    }