# Configure IAP Catalog Listing

In this how-to, we will configure a Catalog Listing to be purchasable using Steam.

### Prerequisites

* [A LootLocker account](https://lootlocker.com/sign-up)
* At least one created game in the [LootLocker Web Console](https://console.lootlocker.com/)
* [Steam Store IAP settings configured for your game](/commerce/real-money-purchases/how-to/steam/configure-steam-iap-settings.md)
* At least one rewardable item, such as an [Asset](/content/working-with-assets.md), [Currency](/commerce/currencies.md), or [Progression](/game-systems/progressions.md)
* A Catalog with at least one [Catalog Listing](/commerce/catalogs/how-to/setup-catalogs.md)

### Add Steam to a Catalog Listing

In the LootLocker Web Console, navigate to your Catalog and select the Catalog Listing you want to configure. In the Actions column, click View Listing.

Open the IAP tab and select Steam from the list of available providers.

<figure><img src="/files/tmbLCqYi58BtD2UNvGyv" alt=""><figcaption></figcaption></figure>

Fill in the following fields:

* **Description:** A description of the item being purchased. This is used when communicating with Steam and should clearly describe what the player will receive.
* **Prices:** The price(s) for the item in the smallest currency unit (e.g., cents for USD, pence for GBP). Steam supports regional pricing, so you can define multiple custom prices for different currencies. You can either enter prices manually or upload them using a `.csv` file. If only one price is used, Steam will automatically convert the prices for regional currencies.

Click Save Changes to save your Steam IAP configuration.

### Enable the Listing for Purchase

Open the Settings tab for the Catalog Listing. Enable the Purchasable toggle to allow the listing to be purchased.

<figure><img src="/files/RSwwInW4oDxsgkosuRz6" alt=""><figcaption></figcaption></figure>

Click Save Changes again.

### Conclusion

Your Catalog Listing is now configured to support purchases using Steam. Once your game is [integrated with the purchase flow](/commerce/real-money-purchases/how-to/steam/steam-store-purchasing.md), players will be able to purchase this listing through Steam and receive the configured rewards.


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