Type String Event microtransactionAuthorization Revision Release 2024.3703 Keywords steam, steamworks, IAP, in-app purchases, microtransaction, microtransactionAuthorization, orderId See also microtransactionAuthorization steamworks.*
The unique order ID in string form that was assigned to the microtransaction. This order ID is assigned by the app developer when issuing a microtransaction request via Steam's web APIs. It is up to the app developer to manage order IDs.
This ID is a 64-bit unsigned integer stored as a string in Lua. You should not convert this to a number in Lua because number stores values as a