After clicking the Wikan link, you see the mapping search and configuration screen:
You will start in Read-only mode. Here you can check the setup for your configured Position IDs and the Markets they are configured for.
Clicking a row will expand it to show additional information:
Clicking the row again will collapse it.
Clicking on the black bar labelled Search will expand it and show you the search form:
Here you can perform a Simple Search on Publication, Location or Format.
After applying an edit, you've only changed the info loaded into the app currently. To permanently save it to the mapping files used in production,
you must click the Save Mapping button on the top right.
The last thing you need to do is to Publish to push your changes to the cloud.
To push your changes, you need to enter Write mode and click the Publish button on the top right, which will end your Write mode session.