SharePoint: Add existing field to content type using PowerShell
This Power S hell Script is used for add existing site field or column to a content type: cls Remove-PSSnapin Microsoft.SharePoint. Powershell -ErrorAction SilentlyContinue Add-PSSnapin Microsoft.SharePoint. Powershell $site = Get-SPSite -Identity " Your Site Url " $web = $site.RootWeb $ct=$web.ContentTypes[" ContentType "]; $fieldAdd=$web.Fields[" Field Name "] $fieldLink=New-Object Microsoft.SharePoint. SPFieldLink($fieldAdd) $ct.FieldLinks.Add($fieldLink) ; $ct.Update() $web.Dispose() $site.Dispose()