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

player_hold_object_in_column

🟦 Executable on Client

player_hold_object_in_column <value>

Hold object along a fixed column in front of player

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.