I don't really know how to do it, so all I could find is something like this for example:
Local abc = script.parent
abc.Changed:Connect(function()
Print(“1”)
end)
Else
Print(“2”)
Your best bet would be to store the old value and then check when you need to do if the value is changed and print accordingly. Here's an example.
local abc = script.Parent.Value
--- When you need to check if it's changed
if script.Parent.Value ~= abc then
print("Changed")
else
print("Same")
end