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# Package: catalogV1

# Namespace: inventory

# Webhook link: https://dev.wix.com/docs/api-reference/business-solutions/stores/catalog-v1/inventory/inventory-item-changed.md

## Introduction

Triggered when an inventory item is changed.

---

## REST API

### Schema

```
Webhook: Inventory Item Changed
Description: Triggered when an inventory item is changed.
Payload: InventoryItemChanged
  - name: inventoryItemId | type: string | description: Inventory item GUID.
  - name: productId | type: string | description: Product GUID.
  - name: trackInventory | type: boolean | description: Whether inventory is being tracked.
  - name: preorderInfo | type: PreorderInfo | description: Preorder information.
     - name: enabled | type: boolean | description: Whether the item is available for preorder.
     - name: message | type: string | description: A message the buyer will see when the item is out of stock and preorder is enabled.
     - name: limit | type: integer | description: Number of products that can be preordered after stock reaches zero.
  - name: fieldMask | type:  | description: Field mask of updated fields.
  - name: updatedDate | type: string | description: Date and time the inventory item was last updated.

```

### Examples


```curl
{
  "inventoryItemId": "81b0fdc0-ac2d-8f25-cf44-ce99d4c3f6a0",
  "externalId": "7e4f023f-53d2-70da-30bb-31662b3c095f",
  "productId": "7e4f023f-53d2-70da-30bb-31662b3c095f",
  "trackInventory": false
}

```

---

## JavaScript SDK

### Schema

```
Webhook: onInventoryItemChanged
Description: Triggered when an inventory item is changed.
Payload: InventoryItemChangedEnvelope
  - name: data | type: InventoryItemChanged | description: none
     - name: inventoryItemId | type: string | description: Inventory item GUID.
     - name: productId | type: string | description: Product GUID.
     - name: trackInventory | type: boolean | description: Whether inventory is being tracked.
     - name: preorderInfo | type: PreorderInfo | description: Preorder information.
        - name: enabled | type: boolean | description: Whether the item is available for preorder.
        - name: message | type: string | description: A message the buyer will see when the item is out of stock and preorder is enabled.
        - name: limit | type: integer | description: Number of products that can be preordered after stock reaches zero.
     - name: fieldMask | type: array | description: Field mask of updated fields.
     - name: _updatedDate | type: Date | description: Date and time the inventory item was last updated.
  - name: metadata | type: BaseEventMetadata | description: none
     - name: instanceId | type: string | description: App instance GUID.
     - name: eventType | type: string | description: Event type.
     - name: identity | type: IdentificationData | description: The identification type and identity data.
        - ONE-OF:
           - name: anonymousVisitorId | type: string | description: GUID of a site visitor that has not logged in to the site.
           - name: memberId | type: string | description: GUID of a site visitor that has logged in to the site.
           - name: wixUserId | type: string | description: GUID of a Wix user (site owner, contributor, etc.).
           - name: appId | type: string | description: GUID of an app.
        - name: identityType | type: WebhookIdentityType | description: 
             - enum: UNKNOWN, ANONYMOUS_VISITOR, MEMBER, WIX_USER, APP
     - name: accountInfo | type: AccountInfo | description: Details related to the account
        - name: accountId | type: string | description: GUID of the Wix account associated with the event.
        - name: parentAccountId | type: string | description: GUID of the parent Wix account. Only included when accountId belongs to a child account.
        - name: siteId | type: string | description: GUID of the Wix site associated with the event. Only included when the event is tied to a specific site.

```

### Examples


```javascript
import { inventory } from '@wix/stores';

inventory.onInventoryItemChanged((event) => {
    // handle your event here
});
```


```javascript
import { createClient, AppStrategy } from '@wix/sdk';
import { inventory } from '@wix/stores';

const wixClient = createClient({
  auth: AppStrategy({
    appId: 'MY-APP-ID',
    publicKey: 'YOUR_APP_PUBLIC_KEY',
  }),
  modules: {
      inventory,
    },
});

wixClient.inventory.onInventoryItemChanged((event) => {
    // handle your event here
});
```

---