Deletes a write-off.

```
v1/writeoffs/delete.php
```

## Parameters

| Field | Type | Required | Description |
|---|---|---|---|
| writeoff_id | int | Yes | Write-off ID |

Deletion cannot be undone. The written-off materials and products are returned to stock.

## Example request

```
{
    "writeoff_id": 19291
}
```

## Example response

```
{
    "success": true
}
```

## Errors

| Error | Reason |
|---|---|
| No writeoff_id in input | writeoff_id is missing |
| Write-off not found or access denied | Write-off not found or already deleted |
