make direct select on mesh as a child of a "actor" (objects from Revit datasmith)

[mayaalias]

Hello,

I have a hard time selecting those meshes that are the child of an “actor” after these objects have been imported by using datasmith from Revit.

Since I need to change their material by selecting them one by one in order to change their material, it is very time-consuming

.

Thanks in advance.

Douglas