Physics volume not working

Not sure if im doing something wrong or not. I have the physics volume and the post process volume lined up with my water line but there isn’t any swim action. any help would be appreciated.

have you been following a tutorial like this one? https://www.youtube.com/watch?v=Vs_VlxRz2ps

Ya I got it working just haven’t had time to come and reply working on getting water animals to spawn now.