$keyvalues

The QC command $keyvalues embeds a block of arbitrary keyvalues into the .mdl file.

Warning:Since the values are arbitrary, studiomdl can't check that they are correct when it compiles the model.

Common KeyValues

See Category:QC Keyvalues for a complete list.

prop_data

Defines various properties for models for use in Valve's prop_* entities - usually prop_physics

physgun_interactions

Defines any non-standard interactions with the Gravity Gun

vehicle_entry

vehicle_exit

vehicle_escape_exit

Animations for players (or NPCs?) entering or exiting a vehicle

QC syntax example

$keyvalues
{
	prop_data
	{
		base              Wooden.Small
		dmg.bullets       0
		explosive_damage  100
		explosive_radius  100
	}
	physgun_interactions
	{
		onfirstimpact 	break
		onfirstimpact 	paintsplat
		onlaunch 	spin_zaxis
		onbreak 	explode_fire
	}

	// hud_name has been made up as an example of a one-dimensional custom KV.
	// (If you were being picky, you might point out that it ought to be localised ...)

	hud_name "Rubber chicken with a pulley in the middle"
}