I done found my bday twin and I here for the comments as well my son will be 2
Mary Barbera Toddler Potty Training she might have free You Tube videos. She does ABA for Autism but her techniques work on all kids. Best of luck my Henry isn't ready yet he is 4. We are practicing sitting, wiping and flushing but after his diaper is wet or soiled. O luck there I entice him with candy and phone time.
You could try doing treats for every time he uses the potty, also could let him run around with out a diaper or undies, that’s what I did with my 3 year old, he’s almost 4 also and fully potty trained