[ Help ] item can be use only "GROUP ID"

[ReQuest 0]

hi , i try to make and item can be use only Admin Group (10,20,99)

i try to add this but its don't have any effect can any one help 

{
	Id: 501
	AegisName: "Red_Potion"
	Name: "Red Potion"
	Type: 0
	Buy: 0
	Weight: 1
	BuyingStore: false
	Script: <" itemheal rand(45,55),0; ">
	Inherit: true
	Nouse: {
		override: 99 
	}
},

 

[ReQuest 0]

can anyone help ?

[ReQuest 0]

can anyone help ?