Help for specific parameters may be requested as follows:
Get-Help Get-Command -Parameter <ParameterName>
This option allows quick retrieval of specific help for a single parameter; for example, help for the Path parameter of the Import-Csv command may be quickly viewed:
PS> Get-Help Import-Csv -Parameter Path
-Path [<String[]>]
Specifies the path to the CSV file to import. You can also pipe
a path to Import-Csv.
Required? false
Position? 1
Default value None
Accept pipeline input? true (ByValue)
Accept wildcard characters? false