Help me understand What is getarg(0)

[Atomik 1]

Hey Guys,

So i'm trying to learn how to script from herc Documentation and m stuck at getarg() i cant understand what exactly it does , if possible can any one please explain it to me.
PLEASE <3 

 

[meko 170]

function foobar {
    .@first_argument$ = getarg(0); // get the value of the first argument passed to foobar()

    .@output$ = "Hello " + .@first_argument$; // add the value of the first argument to "Hello"

    return .@output$; // exit the function, while returning the value of .@output$
}




mes(foobar("world")); // Hello World

 

[Atomik 1]

Thanks alot , Understood ! <3