# Update an inventory model

To [update](https://docs.commercelayer.io/core/updating-resources) an existing inventory model, send a `PATCH` request to the `/api/inventory_models/:id` endpoint, where `id` is the ID of the resource that you want to update.

Here below the list of all the possible arguments that you can pass with the request body.

## Request

**PATCH** <https://yourdomain.commercelayer.io/api/inventory\\_models/:id>

### Arguments

| Body Parameter                                 | Type      | Required |
| ---------------------------------------------- | --------- | -------- |
| **type**                                       | `string`  | Required |
| **id**                                         | `string`  | Required |
| attributes.**name**                            | `string`  | Optional |
| attributes.**strategy**                        | `string`  | Optional |
| attributes.**stock\_locations\_cutoff**        | `integer` | Optional |
| attributes.**stock\_reservation\_cutoff**      | `integer` | Optional |
| attributes.**put\_stock\_transfers\_on\_hold** | `boolean` | Optional |
| attributes.**manual\_stock\_decrement**        | `boolean` | Optional |
| attributes.**reference**                       | `string`  | Optional |
| attributes.**reference\_origin**               | `string`  | Optional |
| attributes.**metadata**                        | `object`  | Optional |

### Example

{% tabs %}
{% tab title="Request" %}
The following request updates the inventory model identified by the ID "XAyRWNUzyN":

```shell
curl -g -X PATCH \
  'https://yourdomain.commercelayer.io/api/inventory_models/XAyRWNUzyN' \
  -H 'Accept: application/vnd.api+json' \
  -H 'Authorization: Bearer your-access-token' \
  -H 'Content-Type: application/vnd.api+json' \
  -d '{
  "data": {
    "type": "inventory_models",
    "id": "xYZkjABcde",
    "attributes": {
      "reference": "ANY-EXTERNAL-REFEFERNCE"
    }
  }
}'
```

{% endtab %}

{% tab title="Response" %}
On success, the API responds with a `200 OK` status code, returning the updated resource object:

```json
{
  "data": {
    "id": "XAyRWNUzyN",
    "type": "inventory_models",
    "links": {
      "self": "https://yourdomain.commercelayer.io/api/inventory_models/XAyRWNUzyN"
    },
    "attributes": {
      "name": "EU Inventory Model",
      "strategy": "no_split",
      "stock_locations_cutoff": 3,
      "stock_reservation_cutoff": 3600,
      "put_stock_transfers_on_hold": true,
      "manual_stock_decrement": true,
      "created_at": "2018-01-01T12:00:00.000Z",
      "updated_at": "2018-01-01T12:00:00.000Z",
      "reference": "ANY-EXTERNAL-REFEFERNCE",
      "reference_origin": "ANY-EXTERNAL-REFEFERNCE-ORIGIN",
      "metadata": {
        "foo": "bar"
      }
    },
    "relationships": {
      "inventory_stock_locations": {
        "links": {
          "self": "https://yourdomain.commercelayer.io/api/inventory_models/XAyRWNUzyN/relationships/inventory_stock_locations",
          "related": "https://yourdomain.commercelayer.io/api/inventory_models/XAyRWNUzyN/inventory_stock_locations"
        }
      },
      "inventory_return_locations": {
        "links": {
          "self": "https://yourdomain.commercelayer.io/api/inventory_models/XAyRWNUzyN/relationships/inventory_return_locations",
          "related": "https://yourdomain.commercelayer.io/api/inventory_models/XAyRWNUzyN/inventory_return_locations"
        }
      },
      "attachments": {
        "links": {
          "self": "https://yourdomain.commercelayer.io/api/inventory_models/XAyRWNUzyN/relationships/attachments",
          "related": "https://yourdomain.commercelayer.io/api/inventory_models/XAyRWNUzyN/attachments"
        }
      },
      "event_stores": {
        "links": {
          "self": "https://yourdomain.commercelayer.io/api/inventory_models/XAyRWNUzyN/relationships/event_stores",
          "related": "https://yourdomain.commercelayer.io/api/inventory_models/XAyRWNUzyN/event_stores"
        }
      }
    },
    "meta": {
      "mode": "test",
      "organization_id": "xRRkjDFafe",
      "trace_id": "69abaa3545913c78132e5578bd26208d44aa9043647d78698fd0021f3958cd74"
    }
  }
}
```

{% endtab %}
{% endtabs %}


---

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