In order to call this sample you need to click Show seat map button in workflows side panel. Which will open the following modal, used to input segment number for which you want to see Graphical Seat Map:

Input segment number and confirm it by clicking on Open Seat Map button.

If entered segment number was correct, expected Graphical Seat Map will open. In other cases this step is skipped.

In success case just after closing Graphical Seat Map modal or in unsuccessful case right after confirmation in first modal the result modal will be open, which shows the received response from the ISeatMapService. Example response modal after trying to open Graphical Seat Map with no active PNR: