IInventoryService/AddItemAddItemMethodAdd an item to the user's inventory.DefinitionAddInventoryItemRequest AddItem(string itemID, ulong amount = 1, bool silent = false)AddInventoryItemRequest AddItem(string itemID, ulong amount = 1, bool silent = false)CopyReturns AddInventoryItemRequestParametersParameterDescriptionstring itemIDItem to add to backpackulong amountAmount to addbool silentTrue if operation should show a toast message, otherwise false.