Retention Period of eventlog

I tried help get-eventlog to get information about retention period of eventlog , i could not locate information in help ,Please assist

I think you accidentally typed this into Powershell.org instead of bing/google/ecosia/duckduckgo or whatever your favorite search engine is. However, in case I’m mistaken, check out this link.

https://4sysops.com/archives/managing-event-logs-with-powershell-part-1/