GIS to Rhino

Hi guys,
I have tried to insert GIS data to Rhino and managed to get the footprint of the buildings of an area. I used Grasshoper script that is explained in this tutorial https://www.youtube.com/watch?v=FU3xY60s9I8

Do you know how to insert as information to Rhino the buildings’ height? Or have any tutorial to suggest?

Thank you for your help

Manos

Gismo will use building height information if that is available…