# Get Walls inside BoundingBox (Python)

**URL:** <https://forum.dynamobim.com/t/get-walls-inside-boundingbox-python/79496>\
**Category:** Revit\
**Tags:** python\
**Created:** [August 3, 2022, 7:40pm UTC](https://forum.dynamobim.com/t/get-walls-inside-boundingbox-python/79496 "2022-08-03T19:40:49Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![jw.vanasselt](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/jw.vanasselt/32/133533_2.png) [@jw.vanasselt](https://forum.dynamobim.com/u/jw.vanasselt)\
**Post date:** [August 4, 2022, 8:10am UTC](https://forum.dynamobim.com/t/get-walls-inside-boundingbox-python/79496/5 "2022-08-04T08:10:36Z")

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Hi,

I think this can help you:

> [@Min / max item at list and create new boundingbox python](https://forum.dynamobim.com/t/min-max-item-at-list-and-create-new-boundingbox-python/76217/12):
>
> Hello, an alternative [global\_bbx] import sys import clr clr.AddReference('ProtoGeometry') from Autodesk.DesignScript.Geometry import \* groupbbx = IN[0] out = [] for lstbbx in groupbbx: glob\_minX = min(lstbbx, key = lambda x : x.MinPoint.X).MinPoint.X glob\_maxX = max(lstbbx, key = lambda x : x.MaxPoint.X).MaxPoint.X glob\_minY = min(lstbbx, key = lambda x : x.MinPoint.Y).MinPoint.Y glob\_maxY = max(lstbbx, key = lambda x : x.MaxPoint.Y).MaxPoint.Y glob\_minZ = min(lstbbx, ke…

When you use a dynamo node you need to convert the dynamo bbox to a revit bbox

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