Wordcloud Custom Visualization: How to add the drilldown option?

[vivek_manoj]

In the Wordcloud Custom Visualization, I want to add the drilldown option. How do I do that?

[niketn]

@vivek_manoj, refer to answer from @gwobben for JavaScript based drilldown: https://answers.splunk.com/answers/471329/is-it-possible-to-drilldown-from-an-status-indicat.html