It would be great to be able to create an Arcade expression for Cluster symbology in the ArcGIS Web Map Viewer. Specifically, It would be great to have an Arcade Expression editor within the 'Configuring Clustering Pop-up' window, I do realize that there are ways to edit the the cluster symbology indirectly through arcade expressions in the layer. However, it would be convenient to have this option in the 'Configure Clustering' Pop-up. Are there plans to implement this functionality?
