[LOOKING FOR] Any Pokemon not in Alpha Sapphire!

[LtSenpai]

(Sep 21, 2017, 05:35 PM)Drangor2 Wrote: Have you tried using the Gts function? (Where you deposit any pokemon you don't need anymore and the ask there the pokemon you need)

I used Clefairys in old times to get what i needed (since Clefairys were rare and only 1 page of them in gts and only a few) You can try that in meantime while waiting for someone who can trade with you.

I've never heard of the GTS Function before, what is it? How do I use it?