Need help understanding parameters

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1

Hello, I’ve been learning scripting again and I constantly become confused with parameters. How do I know what parameter to use and when to use them. Would I just look at the documentation to see what parameters belong in that function or do I make them up?

Thank you! :smiley:

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2

Parameters are passed values that are inputted from a function/method call.

function foo(parameter)
    print(parameter)
end

function bar(a, b, c)
    -- parameters are also in relative "order"
    print(a, b, c)
end

foo() -- nil
foo(1) -- 1
foo("Hello World!") -- Hello World!
bar(1, 2, 3) -- 1 2 3
bar("A", 8, nil) -- A, 8, nil

For already existing methods, you simply include them in the function call’s parenthesis. Or if you’re hooking to events that always return some form of parameter:

game:GetService("Players").PlayerAdded:Connect(function(player)
    -- Anonymous function, but the parameters are fixed
end)

To decide when to use a parameter, simply know when to pass the value.

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