@yt110154 please check out this, I cover the end to end for doing it Can anyone help me to fix this issue? I'm new to pega and seeing this error for the first time - #15 by MarcCheong
As for parent case, so long as it has a data reference to the list you just saved it will be fine. IF you need to invalidate that datapage (so it loads again) you can use How to notify users to refresh an outdated List View in Constellation UI