Potty training

Jacquysha • I`m a mother of 2 beautiful boys and having my first girl this May
Hi guys Ik this might not be the place to talk about this but Ik some of you ladies are already moms and my sons will be 2 next month and I'm trying to potty train him he's doin really good for it to be so early I started aboutv6 months ago now he understands where he's supposed to go nd sometimes he tells me he has to potty but he refuses to go poop in the potty  but most of the time I have to keep asking him does he have to go potty for him to pre and I basically have to catch him in action for him to poop please someone help I need some ideas because this is nerve wrecking lol oh and I tried to put him in. Pair of underwear he went insane he was screaming and everything he kept trying to take them off