Learn PowerShell Core 6.0

Cmdlet output

To properly denote the output of your cmdlet, it is recommended to set the OutputType accordingly. This is, first and foremost, helpful to support IntelliSense and tab completion for the objects that you return:

function Get-ContosoFile{    [CmdletBinding()]    [OutputType('System.IO.FileInfo')]    param    (        [string]        $Path    )}Get-ContosoFile | Where-Object -Property # TAB or Ctrl-Space here

When using your own objects, consider adding a type to them. Not only will this make it easier to discern them with the -is operator later on, it will also make it possible to format them properly. We will revisit that example when we examine the architecture of a module:

function Get-Bob{    [CmdletBinding()]    [OutputType('Contoso.Bob')]    param    ( ) [PSCustomObject]@{ ...