> For the complete documentation index, see [llms.txt](https://docs.samesystem.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.samesystem.dev/business-guides/forecast/advanced-minimum-staffing/department-level-examples.md).

# Department-level examples

Precondition: The department runs in the **Forecasting budget mode** (its overrides are active). Otherwise the update is `HTTP Status 422` . Reads have no such precondition.

The client stores `2026-08-01 → open` (Monday: 9:00 = 2, 10:00 = 3); department has no override yet.

```http
PUT /api/v1/{clientToken}/settings/shop/advanced_minimum_staffing
```

```json
{ "periods": [ { "start_date": "2026-09-01", "end_date": null,
                 "values": [ { "wday": 2, "hour": 14, "value": 5 } ] } ] }
```

Response `200` — the inherited client period was copied into the override and truncated around the new one; the client itself is unchanged:

```json
{
  "periods": [
    { "start_date": "2026-08-01", "end_date": "2026-08-31",
      "values": [ { "wday": 1, "hour": 9, "value": 2 }, { "wday": 1, "hour": 10, "value": 3 } ] },
    { "start_date": "2026-09-01", "end_date": null,
      "values": [ { "wday": 2, "hour": 14, "value": 5 } ] }
  ]
}
```

From this point the department has its own list; later changes on the client level will no longer be applied.


---

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