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