Limited support
This feature is only present in Portal 2: Community Edition and Portal: Revolution.

sv_wall_bounce_trade

🟦 Executable on Client

sv_wall_bounce_trade <value>

How much outward velocity is traded for upward velocity on wall bounces

Warning:

This is a cheat command and can only be used when sv_cheats is set to 1.

Note:

The value is synced between the server and all clients.