adds items to the “PlayerData” table in DynamoDB, and adds the receipt to the “Transactions” table in DynamoDB with any additional metadata. 5 The Lambdafunction validates the receipt through the Google Play Store or Apple App Store API. 4 The AWS Lambda function checks the “Transactions” table in DynamoDBto validate that the receipt is not yet used. 3 The game client makes an API request to Amazon API Gateway to validate receipt and receive purchased items 2 T