Consistency/data/entities/animals/boss_wizard/spawner.xml

<Entity 
  name="$projectile_default" 
  tags=""
   >
	<LuaComponent
		script_source_file="data/entities/animals/boss_wizard/spawn_wizard.lua"
		execute_on_added="1"
		>
	</LuaComponent>
	
	
</Entity>