ArcGIS - Highlight FeatureReductions / Clustering

[michaelpoa]

Hi!

Is there any way to highlight featureReductions ? Based on a queryFeatures way?

My codepen:
https://codepen.io/michaelk95/pen/emBVwwW?editors=1010

My results:

Is it possible to highlight the second asset being a cluster?

If not, is there an alternative for this?

Gr
Michael