public static InventoryControlWrapper LokiPoe.InGameState.RitualFavorsUi.InventoryControl { get; }
This InventoryControlWrapper let you access the items in the Favor panel, to know what items contains, and collect them. To know the cost of the items, you need to first call `ViewItemsInInventory`, and then `GetItemTributeCostEx` that way you will be able to know if you can afford a specific item.