Divorce help

I am asking my husband for a divorce officially. We have been separated for a while but loving together cause of the virus and such. Our issues go back years and have just never been able to be resolved so we both knew this was coming.

I have already thought of custody agreements and division of property (in various different ways to make it as amicable and least hostile as possible)

What else is important to bring up or have written in a divorce agreement?

Any tips or advice on how to make it as stress free for the kids as possible?