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Serverless App Engine:ListApplicationsForSwimmingLane

Last Updated:Apr 22, 2026

Retrieves a list of applications for full-link canary releases.

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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

sae:ListApplicationsForSwimmingLane

list

*All Resource

*

None None

Request syntax

GET /pop/v1/cas/gray/listApplicationsForSwimmingLane HTTP/1.1

Request parameters

Parameter

Type

Required

Description

Example

NamespaceId

string

Yes

The namespace ID.

cn-beijing:test

GroupId

integer

No

The ID of the application group. You can call the DescribeApplicationGroups operation to obtain the ID.

b2a8a925-477a-eswa-b823-d5e22500****

Tag

string

No

The canary tag.

{"alicloud.service.tag":"gray"}

Response elements

Element

Type

Description

Example

object

The returned data.

Message

string

The response message. Valid values:

  • success is returned if the request is successful.

  • A specific error code is returned if the request fails.

success

RequestId

string

The trace ID used to query the details of a request.

0a98a02315955564772843261e****

Data

array<object>

The application list.

array<object>

Information about an application in the list.

AppId

string

The application ID.

0099b7be-5f5b-4512-a7fc-56049ef1****

AppName

string

The application name.

demo-app

MseAppId

string

The ID of the MSE instance.

mse-cn-hvm47******

MseAppName

string

The name of the MSE instance.

test

MseNamespaceId

string

The ID of the namespace in which the MSE instance resides.

sae-test

BaseAppId

string

The ID of the baseline application.

8c573618-8d72-4407-baf4-f7b64b******

BaseAppName

string

The name of the baseline application.

demo

ServiceTags

object

The canary tags configured for the application.

string

The value of a canary tag.

{"alicloud.service.tag":"gray"}

ErrorCode

string

The error code.

  • The parameter is an empty string if the request is successful.

  • This parameter is returned if the request fails. For more information, see the Error codes section in this topic.

Code

string

The HTTP status code. Valid values:

  • 2xx: Success.

  • 3xx: Redirection.

  • 4xx: Client error.

  • 5xx: Server error.

200

Success

boolean

Indicates whether the request was successful. Valid values:

  • true: The request was successful.

  • false: The request failed.

true

Examples

Success response

JSON format

{
  "Message": "success",
  "RequestId": "0a98a02315955564772843261e****",
  "Data": [
    {
      "AppId": "0099b7be-5f5b-4512-a7fc-56049ef1****",
      "AppName": "demo-app",
      "MseAppId": "mse-cn-hvm47******",
      "MseAppName": "test",
      "MseNamespaceId": "sae-test",
      "BaseAppId": "8c573618-8d72-4407-baf4-f7b64b******",
      "BaseAppName": "demo",
      "ServiceTags": {
        "key": "{\"alicloud.service.tag\":\"gray\"}"
      }
    }
  ],
  "ErrorCode": "",
  "Code": "200",
  "Success": true
}

Error codes

HTTP status code

Error code

Error message

Description

400 InvalidParameter.NotEmpty You must specify the parameter %s.
400 InternalApiError An exception occurred when calling mse:%s, error message: %s.
400 InvalidParameter.WithMessage The parameter is invalid {%s}: %s

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.