Why the documentation says receipts are optional for IAP?

Question

In referring to this arcticle:
https://learn.microsoft.com/en-us/windows/uwp/monetize/use-receipts-to-verify-product-purchases

It says:
"Each Microsoft Store transaction that results in a successful product purchase can optionally return a transaction receipt".

What does it mean?
If I ask the receipt to the store, it could return me nothing? In that case, it depends on...what?

Or is it intended "optional" because I can "optionally" request a receipt?

Bests

Answer 1

Hello,

Welcome to Microsoft Q&A!

Or is it intended "optional" because I can "optionally" request a receipt?

Yes, you could choose to request a receipt or not when you are using the old Windows.ApplicationModel.Store namespace. For example, when you are trying to CurrentApp.RequestProductPurchaseAsync Method or CurrentApp.RequestAppPurchaseAsync(Boolean) Method, both of them have a bool parameter called includeReceipt. This parameter determines if the method should return the receipts for this app. If you are passing false as the value, then no receipt will be returned.

Thank you.

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