SpriteKit game + inAppPurchases

Hi, I've written a SpriteKit game but am finding it hard to know how to add inappropriate purchases functionality within this, I know you can add a spritekit game above a swiftUI but unsure if can add swiftUI to spritekit game so can add purchase code, all info from within SpriteKit seems to not function. Or even better as code I know and love, can you add purchase functionality from within SpriteKit. would love to hear from you, Ruth

SpriteKit game + inAppPurchases
 
 
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