Go to Javascript section, you will find the below code:
title:”Politics”,
hierarchy:”hera1″,
valueWith:”PRECINCT”
Here in hierarchy: you can add your hierarchy defined as per your requirement.
For eg:
title:”Politics”,
hierarchy:[“country”, “state”, “city”, “year”],
valueWith:”saleprice”
So when you will click on the country you will be able to select state followed by the city and so on