Another PowerShell vExpert.me URL Shortner

<#
 .SYNOPSIS
  Will create a new vExpert.me URL

 .DESCRIPTION
  Using the Invoke-Rest Cmdlet to invoke a creation of a new vExpert.me URL

 .PARAMETER  URL
  URL that should be shortened.
 
 .PARAMETER Custom
  The custom URL that should be used.

 .EXAMPLE
  PS C:\> New-vExpertURL -URL 'https://www.google.com'
  This example shows how to call the New-vExpertURL function with with the URL parameter and generate a random URL.

 .EXAMPLE 
  PS C:\> New-vExpertURL -URL 'https://www.google.com' -Custom this_is_my_link
  This will create a custome URL of https://vexpert.me/this_is_my_link pointing to https://www.google.com
 .INPUTS
  System.String

 .OUTPUTS
  System.String

 .NOTES
  For more information about advanced functions, call Get-Help with any
  of the topics in the links listed below.

#>
function New-vExpertURL {
 [CmdletBinding()]
 param(
  [Parameter(Position=0, Mandatory=$true)]
  [System.String]$URL,
  [Parameter(Position=1)]
  [System.String]$Custom
 )
 begin {
 if (!$($Custom) ) {
  $baseurl_2 = "&action=shorturl&format=json&url="
  } else {
  $baseurl_2 = "&action=shorturl&keyword=" + $Custom + "&format=json&url="
 }
 $baseurl_1 = "https://vexpert.me/yourls-api.php?signature="
 $secret = "xxxxxxxxx"
 
 }
 process {
 $invokeurl = $baseurl_1 + $secret + $baseurl_2 + $URL
 $vExpertme = Invoke-RestMethod -Uri $invokeurl
 $vExpertme.shorturl | clip
 Write-Host "The shortenend URL is now in your clipboard" -ForegroundColor Green
 }
 end {
 }
}