How to load PLY files based on POINT CLODE

Hello

I am trying to load the fly file from VTK 9.0.

The language is using c++.

Mesh-based data is loaded, but the point cloud ply file is not loaded.

Can I have an example code?

DATA FILE

Here is an example:
https://gitlab.kitware.com/vtk/vtk/-/blob/v9.2.0/IO/PLY/Testing/Cxx/TestPLYReader.cxx