What is the most logical next event?

How to potty train children with special needs
Determine your child's physical ability to potty train.
You will want to make sure your child is physically ready and it is safe for them to begin toilet training before beginning. Forcing your child to begin too early, or not providing enough assistance to them, may be detrimental to the potty training process.
If they are not ready, choose to either wait or create assistive measures to help them succeed. Some ways to determine if your child is physically ready include the following.