Queries the details about a scaling activity.


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 DescribeScalingActivityDetail

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

ScalingActivityId String Yes asa-bp1c9djwrgxjyk31****

The ID of the scaling activity that you want to query. You can call the DescribeScalingActivities operation to query the IDs of scaling activities.

Response parameters

Parameter Type Example Description
RequestId String B13527BF-1FBD-4334-A512-20F5E9D3FB4D

The ID of the request.

ScalingActivityId String asa-bp1c9djwrgxjyk31****

The ID of the scaling activity.

Detail String new ECS instances \"i-bp16t2cgmiiymeqv****\" are created.

The details about the scaling activity.


Sample requests

&<Common request parameters>

Sample success responses

XML format

      <Detail>new ECS instances "i-bp16t2cgmiiymeqv****" are created.

JSON format

    "RequestId": "B13527BF-1FBD-4334-A512-20F5E9D3FB4D",
    "ScalingActivityId": "asa-bp1c9djwrgxjyk31****",
    "Detail": "new ECS instances \"i-bp16t2cgmiiymeqv****\" are created.\n"

Error codes

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


Error code

Error message




The input parameter \"ScalingActivityId\" that is mandatory for processing this request is not supplied

The error message returned because the ID of the scaling activity is not provided.