sm-plugins/BossHP/configs/bosshp/ze_hold_em_v10.cfg

"bosses"
{
	"0"
	{
		"name"				"Billy"
		"method"			"counter"
		"trigger"			"end_trigger:OnStartTouch"
		"hurttrigger"		"boss:OnHealthChanged"
		"counter"			"boss_hp"
	}
}