Hello Matthais,
I did some searching around, and found some info that may be useful to you:
VMware View Pool Recompose PowerCLI Script | Sean's IT Blog
seanpmassey/ViewPowerCLIScripts · GitHub
Powershell, PowerCLI Snapshot and Recompose Script | Greg Carriger's Blog
I hope this was helpful to you. It looks like there should be enough useful bits in there to get you going.