on join:
	add "{Attributes:[{Name:""generic.knockbackResistance"",Base:1d}]}" to nbt of player
command /antiknockback [<player>] [<boolean>]:
	permission: sk.admin
	permission message: &cYou do not have permission to use this command.
	usage: /antiknockback <player> <true|false>
	aliases: /antikb
	trigger:
		if arg-2 is true:
			send "&7%arg-1%のAntiKnockBackを有効にしました"
			add "{Attributes:[{Name:""generic.knockbackResistance"",Base:1d}]}" to nbt of arg-1
		if arg-2 is false:
			send "&7%arg-1%のAntiKnockBackを無効にしました"
			add "{Attributes:[{Name:""generic.knockbackResistance"",Base:1d}]}" to nbt of arg-1