Quick Tipp: Die Dokumententemplates an einer Bibliothek per Powershell setzen

Connect-PnPOnline "https://tenant.sharepoint.com/sites/meineseite" -Interactive

$template=@"
[   
    {
     "templateId": "NewFolder",
        "title": "Folder",
        "visible": false
    },
    {
        "templateId": "NewDOC",
        "title": "Word document",
        "visible": false
    },
    {
        "templateId": "NewXSL",
        "title": "Excel workbook",
        "visible": false
    },
    {
        "templateId": "NewPPT",
        "title": "PowerPoint presentation",
        "visible": false
    },
    {
        "templateId": "NewONE",
        "title": "OneNote notebook",
        "visible": false
    },
    {
        "templateId": "NewXSLSurvey",
        "title": "Excel survey",
        "visible": false
    },
    {
        "templateId": "NewXSLForm",
        "title": "Forms for Excel",
        "visible": false
    },
    {
        "templateId": "NewVSDX",
        "title": "Visio drawing",
        "visible": false
    },
    {
        "contentTypeId": "0x0101007083E649E686654AA7A5D0994977BD3E",
        "isUpload": true,
        "templateId": "MyDocumentTemplate",
        "title": "my Document Template",
        "url": "/sites/meineseite/AnyDocumentLibrary/MyTemplateFile.docx",
        "visible": true
    }
]
"@


$view = Get-PnpView -List $listname | Where-Object {$_.DefaultView -eq $true}
$view.NewDocumentTemplates = $template -replace "`n","" -replace "`r",""
$view.Update()
Invoke-PnPQuery