Colorbar/legend/ScalarBarActor in PointCloudRepresentation dash_vtk

Hi I want to show a clorbar in the point cloud visualisation using dash_vtk. I am not able to figure out how to do that. Is it even possible? Or atleast something on the lines of VolumeControler for scalar in point could visaualisation?

I know there is ScalarBarActor in JS. Is there something similar in python?