How to capture the click event on a Splunk map?

Using the regular map in Splunk, I'm currently showing points on the map read from a CSV file. When I click on the point, it goes to another page showing content of the row. I stopped the drilldown. I want to capture the click event and compare the lat/lon with the file to show the row in the same dashboard (in a table) How to capture the click event on the map?