cls

#Since the time I wrote the original script (all the way to the bottom),
# I found out that you can achieve this using 
# the Add-PnPFolder command. I have therefore commented out
# the earlier script I wrote towards the bottom. Thanks!

#region declarations
$siteUrl = "https://tenant.sharepoint.com/sites/StarkEnterprises"
$folderName="Mark VIII"

#Note that the command expects the list "url name" instead of the display title
# Also note that the url name not be encoded 
# so use "Lists/Awesome Suites" instead of "Lists/Awesome%20Suites"
$parentFolderRelativeURL = "Lists/Awesome Suites"

#The following would create a subfolder under the "Mark I to X" folder instead of the root
#$parentServerRelativeUrl= "Lists/Awesome Suites/Mark I to X" 

#endregion

#Add folder to list
Add-PnPFolder -Name $folderName -Folder $parentFolderRelativeURL

<#
#region declarations
$siteUrl = "https://tenant.sharepoint.com/sites/StarkEnterprises"
$listTitle = "Suites"
$folderName="Mark VIII"
$parentServerRelativeUrl= "/sites/StarkEnterprises/Lists/Suites" #create folder at the root of the list

#The following would create a subfolder under the "Mark I to X" folder instead of the root
#$parentServerRelativeUrl= "/sites/StarkEnterprises/Lists/Suites/Mark I to X" 

#endregion

#region connect to the site and get the list object
Connect-PnpOnline -Url $siteUrl -Interactive
$ctx = Get-PnPContext

$list = $ctx.web.Lists.GetByTitle($listTitle)
$ctx.Load($list)
$ctx.ExecuteQuery()
#endregion

#region create the ListItemCreationInfo object
$listItemInfo = New-Object Microsoft.SharePoint.Client.ListItemCreationInformation
$listItemInfo.FolderUrl = $parentServerRelativeUrl
$listItemInfo.LeafName=$folderName
$listItemInfo.UnderlyingObjectType = [Microsoft.SharePoint.Client.FileSystemObjectType]::Folder
#endregion

#region create the folder using the listItemInfo
$listItem = $list.AddItem($listItemInfo)
$listItem["Title"] =$folderName
$listItem.Update()
$Ctx.ExecuteQuery()
#endregion
#>