moving item failing on zero bytes - powershell

Question

Where am I going wrong with the below script...it checks for if files are of zero (0) bytes and then if they are it moves them to a folder.
It works fine outside of the IF statement but when I try it in the below it fails copying the files and displays the below error:
Move-Item : Cannot bind argument to parameter 'Path' because it is
null. At C:\Tools\jon\testing_scheduled.ps1:109 char:11
+ Move-Item <<<< $moving "$scheduledpath\Move_empty"
+ CategoryInfo : InvalidData: (:) [Move-Item], ParameterBindingValidationException
+ FullyQualifiedErrorId : ParameterArgumentValidationErrorNullNotAllowed,Microsoft.PowerShell.Commands.MoveItemCommand
filter gettheheckout([string]$path = '.')
{
$move = Get-ChildItem $scheduledpath | Where-Object {$_.length -eq 0} | Foreach-Object {$_.fullName}
}
$moving = gettheheckout
$check = #(Get-ChildItem $scheduledpath | Where-Object {$_.length -eq 0})
if ($check.length -eq 0)
{
Write-host = "No files to move - Script Completed" -ForegroundColor Cyan
}
else
{
Move-Item $moving "$scheduledpath\Move_empty"
Write-Host "Script Completed - Use Excel to Filter on commas - Have a nice day!" -ForegroundColor Cyan
}

Answer 1

change this:
filter gettheheckout([string]$path = '.')
{
Get-ChildItem $scheduledpath | Where-Object {$_.length -eq 0} | Foreach-Object {$_.fullName}
}
and be sure $scheduledpath is a global scope variable and have a value.