# How to understand if the field works properly?

It is easy to understand even without any test orders. You can write your notes as a buyer in a product page, and then go to checkout page. If you can see your notes there attached to product information, it means Shopify successfully receives the notes from our app.

<figure><img src="https://minimateapps.gitbook.io/~gitbook/image?url=https%3A%2F%2F1110647471-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FDDrLmwkSI3jttYdLoI4Q%252Fuploads%252FXq4kUFxCpsIspHqgu0xh%252FScreen%2520Shot%25202023-11-11%2520at%252017.26.01.png%3Falt%3Dmedia%26token%3D9be9db02-2522-4365-b45c-f9af2b72c956&#x26;width=768&#x26;dpr=4&#x26;quality=100&#x26;sign=cd984e09&#x26;sv=2" alt=""><figcaption><p>Store Checkout </p></figcaption></figure>

{% hint style="info" %}
If you see the custom fields in the checkout page, then it means Shopify successfully receives the notes from our app.
{% endhint %}
