# POST /mj/submit/change

**Method**: `POST`
**Endpoint**: `/mj/submit/change`

This section contains endpoint-specific behavior, parameters, or usage notes for this API.

## Request Parameters

### Header Parameters

```text
Authorization
string
Optional
Default Value:
Bearer {{YOUR_API_KEY}}
```

### Body Parameters application/json

```text
action
enum<string>
Required
  // provider-specific example normalized for English documentation
Enum Values:
UPSCALE
VARIATION
REROLL
Example:
UPSCALE
index
integer
<int32>
Optional
  // provider-specific example normalized for English documentation
>= 1
<= 4
Example:
1
notifyHook
string
Optional
Callback URL. If empty, the global notifyHook is used.
taskId
string
Task ID
Required
Example:
1320098173412546
Example
{
"action"
:
"UPSCALE"
,
"index"
:
1
,
"notifyHook"
:
"string"
,
"taskId"
:
"1320098173412546"
}
```

## Example Request

### Shell

```bash
curl --location --request POST '/mj/submit/change' \
--header 'Authorization: Bearer {{YOUR_API_KEY}}' \
--header 'Content-Type: application/json' \
--data-raw '{
    "action": "UPSCALE",
    "index": 1,
    "notifyHook": "string",
    "taskId": "1320098173412546"
}'
```

## Response

### 🟢 200 OK

**Content Type**: `application/json`

#### Response Schema

```text
code
integer
<int32>
Required
Status Code: 1 (submission succeeded), 21 (already exists), 22 (queued), other (error)
Example:
1
description
string
Description
Required
Example:
submission succeeded
properties
object
Extended Fields
Optional
result
string
Task ID
Optional
Example:
1320098173412546
```

#### Example

```json
{
    "code": 1,
    "description": "Submission succeeded",
    "properties": {},
    "result": 1320098173412546
}
```

### 🟢 201 Created

### 🟠 401 Unauthorized

### 🟠 403 Forbidden

### 🟠 404 Not Found