UpdateRtcMPUEventSub - ApsaraVideo Live - Alibaba Cloud Documentation Center

Operation description

You can call this operation to update a subscription to mixed-stream relay events. You can modify parameters such as the callback URL and channel IDs.
Before you call this operation, make sure that you have called the CreateRtcMPUEventSub operation to create the subscription.

QPS limit

You can call this operation up to 50 times per second per account. Requests that exceed this limit are dropped and you will experience service interruptions. We recommend that you take note of this limit when you call this operation.

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Test

RAM authorization

The table below describes the authorization required to call this API. You can define it in a Resource Access Management (RAM) policy. The table's columns are detailed below:

Action: The actions can be used in the Action element of RAM permission policy statements to grant permissions to perform the operation.
API: The API that you can call to perform the action.
Access level: The predefined level of access granted for each API. Valid values: create, list, get, update, and delete.
Resource type: The type of the resource that supports authorization to perform the action. It indicates if the action supports resource-level permission. The specified resource must be compatible with the action. Otherwise, the policy will be ineffective.
- For APIs with resource-level permissions, required resource types are marked with an asterisk (*). Specify the corresponding Alibaba Cloud Resource Name (ARN) in the Resource element of the policy.
- For APIs without resource-level permissions, it is shown as All Resources. Use an asterisk (*) in the Resource element of the policy.
Condition key: The condition keys defined by the service. The key allows for granular control, applying to either actions alone or actions associated with specific resources. In addition to service-specific condition keys, Alibaba Cloud provides a set of common condition keys applicable across all RAM-supported services.
Dependent action: The dependent actions required to run the action. To complete the action, the RAM user or the RAM role must have the permissions to perform all dependent actions.

Action

Access level

Resource type

Condition key

Dependent action

live:UpdateRtcMPUEventSub

update

*All Resource

*

None

Request parameters

Parameter	Type	Required	Description	Example
AppId	string	Yes	The ID of the application. Note The ID can be up to 64 characters in length and can contain letters, digits, underscores (_), and hyphens (-).	yourAppId
ChannelIds	string	No	The ID of the channel to which you want to send mixed-stream relay event callbacks. Separate multiple channel IDs with commas (,). Note If you leave this parameter empty, you are subscribed to all mixed-stream relay events submitted in the application. You cannot specify duplicate channel IDs. You can specify up to 20 channel IDs in each call. The ID can be up to 64 characters in length and contain letters, digits, underscores (_), and hyphens (-).	yourChannelIds
CallbackUrl	string	No	The callback URL. Note You can use headers such as HTTP and HTTPS in callback URLs. The URL can be up to 2,083 characters and contain letters, digits, and the following special characters: - _ ? % = # . / +	http://****.com/callback

Response elements

Element	Type	Description	Example
	object
RequestId	string	The ID of the request.	****3B-0E1A-586A-AC29-742247****

Examples

Success response

JSON format

{
  "RequestId": "******3B-0E1A-586A-AC29-742247******"
}

Error codes

HTTP status code	Error code	Error message	Description
400	MissingParam	%s. Please check and try again later.	There are parameters missing, please check and try again.
400	InvalidParam	%s.	Parameter verification failed
400	InvalidAppId	%s Please check and try again later.	The appId parameter is invalid, please check and try again.
500	InternalError	InternalError
403	OperationDenied	Your account has not enabled the Live service

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.