Switches to a specified episode.

Usage notes

After you add episodes to an episode list and start a live stream, you can call this operation to switch between episodes. For information about how to add episodes to an episode list, see AddShowIntoShowList.

QPS limit

You can send up to 10 requests per second to call this operation by using your Alibaba Cloud account. If the number of the calls per second exceeds the limit, throttling is triggered. This may affect your business. We recommend that you take note of the limit when you call this operation. For more information, see QPS limit on an API operation in ApsaraVideo Live.


OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes PlayChoosenShow

The operation that you want to perform. Set the value to PlayChoosenShow.

CasterId String Yes LIVEPRODUCER_POST-cn-0pp1czt****

The ID of the production studio instance.

  • If the instance was created by calling the CreateCaster operation, check the value of the response parameter CasterId to obtain the instance ID.
  • If the instance was created in the ApsaraVideo Live console, obtain the instance ID on the Production Studio Management page. To go to the page, log on to the ApsaraVideo Live console and click Production Studios in the left-side navigation pane.
Note The value displayed in the Name column for an instance on the Production Studio Management page is the ID of the instance.
ShowId String Yes a2b8e671-2fe5-4642-a2ec-bf93880e****

The ID of the episode to be switched to.

Note You can obtain the episode ID from the response parameters of AddShowIntoShowList or DescribeShowList.

Response parameters

Parameter Type Example Description
RequestId String 16A96B9A-F203-4EC5-8E43-CB92E68F4CD8

The ID of the request.

ShowId String a2b8e671-2fe5-4642-a2ec-bf93880e****

The ID of the episode.


Sample requests

&<Common request parameters>

Sample success responses

XML format


JSON format


Error codes

For a list of error codes, visit the API Error Center.

Sample code

public static DefaultAcsClient initClient(String accessKeyId, String accessKeySecret) throws ClientException {
        String regionId = "cn-shanghai"; 
        DefaultProfile profile = DefaultProfile.getProfile(regionId, accessKeyId, accessKeySecret);
        DefaultAcsClient client = new DefaultAcsClient(profile);
        return client;

private static void playChoosenShow(DefaultAcsClient client, String casterId, String showId) throws ClientException {
        CommonRequest playChoosenShow = new CommonRequest();
        playChoosenShow.putQueryParameter("CasterId", casterId);
        playChoosenShow.putQueryParameter("ShowId", showId);
        CommonResponse playChoosenShowResponse = client.getCommonResponse(playChoosenShow);
        System.out.println("Manual switching of showId: "+showId+" completed");

public void playChooseShow() throws ClientException {
        DefaultAcsClient client = initClient(ACCESS_KEY_ID, ACCESS_KEY_SECRET);
        String showId= "";