get item paths by template id

This PS script will iterate over the id/name kvp provided and output a list of Sitecore items that use the given template; grouped by template.

$templatesToRemove = @{
    "{00000000-0000-0000-0000-000000000000}", = "Template 1"
    "{00000000-0000-0000-0000-000000000000}", = "Template 2"
    "{00000000-0000-0000-0000-000000000000}", = "Template 3"
}

# Get all items in the content tree
$items = Get-ChildItem -Path "/sitecore/content/Confused/" -Recurse
    
foreach($templateId in $templatesToRemove.Keys)
{
    Write-Output $templatesToRemove[$templateId]
    
    # Filter the items by template
    $itemsUsingTemplate = $items | Where-Object { $_.TemplateId -eq $templateId }

    # Output the item paths
    $itemsUsingTemplate | ForEach-Object { Write-Host $_.Paths.Path }   
    
    Write-Output "-------------------------"
}