$iif() is just like IF, but on one line.

/help $iif

$iif(something compared_to something,true,false)

So, //echo -a $iif(1 > 2,It's greater,It's not greater)

That would echo the "false" item, "It's not greater", because the comparison is false.

So he's just checking if *_* iswm the nick and if it is, do something, if not do something different. If you want multiple commands, don't use $iif... just use a normal IF.

Again, you can see 2 examples in your other thread.

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