Hello community! Im doing my building in openstudio and i wanna know how can i express a gantry that i have in my entrance. I will attach in this post a real picture of my building.

https://imgur.com/7PgmZjR

In my red box, i have one window. Do i need to create a zone representing this gantry or just put the shading related to it at the time of inserting the shadows?