Thanks for your reply, I can get a receipt from the sandbox on App Store, using my productID say com.myproduct.IAP, if make an in app purchase, this will be picked by a transaction listener, which is fine using StoreKit 2, which is fine.
But I can't figure out how to get a receipt for my app which is at moment paid, which will have an IAP method, doesn't there have to be an original product ID to get this, or does the apple sandbox not provide an initial receipt? This part I am stuck on.
Thanks
Jeff