DP ENT EXTERIORMODELTOCLIENT

From Quake Wiki

New entity field:

.entity exteriormodeltoclient;

Set an entity's .exteriormodeltoclient to a client (player).

The entity is visible to all clients with one exception: if the specified client is using first person view (not using chase_active) the entity will not be shown. Also if tag attachments are supported any entities attached to the player entity will not be drawn in first person.