how do i make this script change the npcs font and chat colour when they talk
local ChatService = game:GetService("Chat")
local Players = game:GetService("Players")
local NPC = script.Parent
local Head = NPC:FindFirstChild("Head")
local TouchPart = game.Workspace:FindFirstChild("TouchPart")
local UndergroundDoor = game.Workspace.Facility.Underground["Underground Entrance"].UndergroundDoor
local UndergroundDoorOpened = game.Workspace.Facility.Underground["Underground Entrance"].UndergroundDoor2
if Head and TouchPart then
TouchPart.Touched:Connect(function(hit)
local character = hit:FindFirstAncestorOfClass("Model")
local player = character and Players:GetPlayerFromCharacter(character)
if player then
ChatService:Chat(Head, "Welcome into the Underground.")
script.Disabled = true
end
end)
else
warn("Head or TouchPart not found!")
end
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