How to trim the walls that are coming out of the roof?

[Marcel_Rijsmus]

see

Is there any way, logic or steps for wall attache to roof

Hi All, I am new in dynamo. dose not have any programming knowledge, I want to create one dynamo program to make my one process automation. we received many building model from corporation as an IFC after import we found our wall and roof are not attached. (walls are as profile wall), those buildings are in thousands, please help to to make dynamo program for “attach wall to Roof” so I can make this process automated and save our modeller work.   thanks Nirav vyas [Wall_attach_top_Base]

there might be an update i do not know of tho