How can you find out through the code that a given path is impassable?

Beginner Questions
#1

Good afternoon. I apologize if there has already been a similar question, it is difficult for me to search for information in a language that is foreign to me.
How can you find out through the code that a given path is impassable? And then my character goes into the wall.
I am using the Pro version and the Recast Graph.

#2

Hi

If you want to check if a path is possible beforehand you can use: PathUtilities - A* Pathfinding Project

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