LoopAndGetLogicalName.ps1

ForEach ($Select in $Selected)
{
    $Type = [int](-not $Database)
    $Name = (Invoke-SQLQuery -Instance $Instance -Database Master -MultiSubnetFailover -Query "Select name From sys.master_files Where database_id = '$($Select.ID)' And type = $Type").Name
    If ($Name)
    {
        Write-Verbose "$(Get-Date): Shrinking $($Select.Name) database/log file: $Name"
        $Result = Invoke-SQLQuery -Instance $Instance -Database $Select.Name -MultiSubnetFailover -Query "DBCC SHRINKFILE($Name,1)"