| Symbol is used to supply input to a Command-Let as an Output of Previous CmdLetCmd-Let1 | Cmd-Let2 shows the Output of Cmd-Let1 is being supplied as input to Cmd-Let2Cmd-Let may or may not accept PipeLine Input.Get-Help Stop-Process -Full | more Now see the Parameter Section
Accept pipeline input? property as True either (ByPropertyName) or (ByValue)