The asset comes with an example scene which is in the package to allow you to see the asset in action without needing to do any work on your end. You can use the buttons to perform actions for the manager and display at the same time so you can see the results in real-time. The button are labelled with what they do are are self explanatory. The fields define when is changed, a breakdown is below:
Defines the board ID to use for entries, Example is the boardID for the example scene, changing this will break the display unless you update it there as well.
Defines the name of any entry to add or remove dependant on the buttons you press.
Defines the score of any entry to add or remove dependant on the buttons you press.