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This is a central concept in writing good code. A function allows you to make a small piece of code which does one thing well and often can be reused if the same functionality is needed in multiple places. Functions apply a core design principal: /wiki/spaces/IXB/pages/3181903910.

Functions are Block statements.

Here’s a simple example:

function APPhello()
  return "Hello";
end

Arguments are variables which are used to pass data into a function. For example: 

local arg1 = "Hello"

function APPhello(arg1)
  return arg1 -- "Hello"
end

See:

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