minetest.register_tool("healing:bandage", { description = "Bandage", inventory_image = "healing_bandage.png", on_use = function(player, itemstack, pointed_thing) seal_wound(player) end }) minetest.register_tool("healing:antibiotic", { description = "Antibiotic", inventory_image = "healing_antibiotic.png", on_use = function(player, itemstack, pointed_thing) seal_wound(player) end }) function seal_wound(player) end function cure_infectcion(player) end