# Restarting an ML Studio Instance

#### Function

This API is used to restart an ML Studio development environment instance.

#### URI

POST /v1/{project_id}/demanager/instances/{instance_id}/action

Table 1 describes the required parameters.

Table 1 Parameter description
Parameter | Mandatory | Type | Description
--- | --- | --- | ---
project_id | Yes | String | Project ID. For details about how to obtain the project ID, see Obtaining a Project ID and Name.
instance_id | Yes | String | Instance ID

#### Request Body

Table 2 describes the request parameters.

Table 2 Parameter description
Parameter | Mandatory | Type | Description
--- | --- | --- | ---
action | Yes | String | Operation on a development environment instance. The value can be restart.

#### Response Body

Table 3 describes the response parameters.

Table 3 Parameter description
Parameter | Type | Description
--- | --- | ---
current_status | String | Current status of an instance
previous_state | String | Previous status of an instance

#### Samples

The following shows how to restart the ML Studio instance whose ID is 47cf4ff3-0c59-44fe-9821-2840a34c02a9.

- Sample request

      {
          "action": "restart"
      }

- Sample response

      {
      "current_status": "REBOOTING",
      "previous_state": "ACTIVE"
      }

#### Status Code

For details about the status code, see Status Code.

Parent topic: DevEnviron