# Blender 2.8 - What is 'Tweak' in Preferences > Keymap

I've used Blender 2.7 for years, but I'm really trying to make an effort to figure out 2.8.

I was trying to randomize my vertices in edit mode; so I searched Preferences > Keymap for the shortcut to do this. Sure enough, it appeared as the following:

I couldn't find a particular purpose of having transform.vertex_random set to tweak, it doesn't seem to react to mouse drags. Perhaps that's a misconfiguration.