Enable modern creation forms for Document sets

Summary

I've found that setting the NewFormClientSideComponentId to NULL on a documents set content type will cause it to render a modern creation form over the default, this script will help you do that.

• PnP PowerShell

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# SharePoint online site url
$siteUrl = Read-Host -Prompt "Enter your site url (e.g https://<tenant>.sharepoint.com/sites/contoso)";

# Connect to SharePoint Online site
Connect-PnPOnline -Url $siteUrl -Interactive

# Get the doclibs on the site
$lists = Get-PnPList | Where-Object {$_.BaseTemplate -eq 101}

# List the document libraries
foreach($list in $lists){
    Write-Host "[$($lists.IndexOf($list)+1)] $($list.Title)"
}

$index = Read-Host -Prompt "Which list to you wish to modernize your content type"

# Get the "Folder" content types on the document library
$cts = Get-PnPContentType -List $($lists[$index-1]) | Where-Object {$_.Id.StringValue.StartsWith("0x0120")}

foreach($ct in $cts){
    Write-Host "[$($cts.IndexOf($ct)+1)] $($ct.name)"
}

$CTindex = Read-Host -Prompt "Which content type to you wish to modernize"

# Null out the NewFormClientSideComponentId as that seems to bring it to modern UI
$cts[$CTindex-1].NewFormClientSideComponentId = $null;
$cts[$CTindex-1].Update($false);

Invoke-PnPQuery

Write-Host -ForegroundColor Green "All done"

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Contributors

Author(s)
Dan Toft(https://blog.dan-toft.dk)

Disclaimer

THESE SAMPLES ARE PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.