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# Method name: incrementInventory(items: Array<IncrementInfo>)

# Method package: wixStoresBackend

# Method menu location: wixStoresBackend --> incrementInventory

# Method Link: https://dev.wix.com/docs/velo/apis/wix-stores-backend/increment-inventory.md

# Method Description:

Adds a set number of items from inventory.

The `incrementInventory()` function returns a Promise that is resolved
 when the specified item's quantity has been updated in the inventory.



# Method Code Examples:

*** Note: do not assume any prop names or enum values other than the ones in the example.

## Increment the inventory of a product's first variant

```javascript
/*******************************
 * Backend code - inventory.jsw *
 *******************************/

import wixStoresBackend from 'wix-stores-backend';

export function incrementInventory(incrementInfo) {
  return wixStoresBackend.incrementInventory(incrementInfo);
}

/**************
 * Page code *
 **************/

import { incrementInventory } from 'backend/inventory';


async function incrementHandler() {

  const productId = "3fb6a3c8-988b-8755-04bd-ks75ae0b18ea"
  let variants = await getProductVariants(productId);

  incrementInventory(
    [{
      variantId: variants[0]._id,
      productId: productId,
      incrementBy: 1
    }])
    .then(() => {
      console.log("Inventory incremented successfully")
    })
    .catch(error => {
      // Inventory increment failed
      console.error(error);
    })
}
```

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