What does the Landscape Physical Material Output node do?

[arunoda (Arunoda Susiripala)]

Here’s a tutorial on how to use Physical Material Node.

Unreal Engine Landscape Physical Materials for Auto Layers (For Foot Sounds / Effects)

Skipped to the later parts of the video for some material & blueprint-related work.
Also, try to check the “Generate Collision Events” checkbox in the landscape & restart your project.