| 0x10 | OnSteamInventoryDefinitionUpdate | FMulticastScriptDelegate | 4 flags | <delegate> |
| 0x10 | OnSteamInventoryEligiblePromoItemDefIDs | FMulticastScriptDelegate | 4 flags | <delegate> |
| 0x10 | OnSteamInventoryFullUpdate | FMulticastScriptDelegate | 4 flags | <delegate> |
| 0x10 | OnSteamInventoryResultReady | FMulticastScriptDelegate | 4 flags | <delegate> |
| 0x10 | OnSteamInventoryStartPurchaseResult | FMulticastScriptDelegate | 4 flags | <delegate> |
| 0x10 | OnSteamInventoryRequestPricesResult | FMulticastScriptDelegate | 4 flags | <delegate> |
| 0x0090 | 0xC0 | unreflected bytes to end of USIK_InventorySubsystem |