powershell - Why pipe a variable into Set-Item? -


i trying understand why $apppool | set-item used below:

write-host -foregroundcolor green "creating application pool $poolname"  $apppool = new-webapppool -name $poolname $apppool.managedruntimeversion = $runtimeversion $apppool.managedpipelinemode = $pipelinemode $apppool.processmodel.identitytype = $identity  $apppool | set-item

what happen when line missing?

those parameters not available new-webapppool cmdlet directly according help cmdlet. after setting values properties in variable object, piping set-item makes call web administration (iis) provider windows powershell register settings in iis.


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