# Confirming ECS Specifications Modification

#### Function

This API is used to confirm the specifications modification of an ECS.

#### Constraints

Before calling this API, ensure that the ECS status (which can be queried using the API for querying details about the ECS) meets the following requirements:

OS-EXT-STS:vm_state=resized

OS-EXT-STS:task_state=""

status=VERIFY_RESIZE

#### URI

POST /v2.1/{project_id}/servers/{server_id}/action

POST /v2/{project_id}/servers/{server_id}/action

Table 1 describes the parameters in the URI.

Table 1 Parameter description
Parameter | Mandatory | Description
--- | --- | ---
project_id | Yes | Specifies the project ID.
server_id | Yes | Specifies the ECS ID.

#### Request

Table 2 describes the request parameters.

Table 2 Request parameters
Parameter | Mandatory | Type | Description
--- | --- | --- | ---
confirmResize | Yes | Null | Confirms the modification to ECS specifications.

#### Response

None

#### Example Request

    POST https://{endpoint}/v2/{project_id}/servers/{server_id}/action
    POST https://{endpoint}/v2.1/{project_id}/servers/{server_id}/action

    {
        "confirmResize" : null
    }

#### Example Response

None

#### Returned Values

See Returned Values for General Requests.

Parent topic: Status Management