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

npc_combat

🟩 Executable on Server

npc_combat

Displays text debugging information about the squad and enemy of the selected NPC (See Overlay Text) Arguments: {npc_name} / {npc class_name} / no argument picks what player is looking at

Warning:

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