insight 
PowerShell support for SharePoint Add-ins is very minimal. A limitation I ran into today is that you can use PowerShell to register an App Principal, or to retrieve one, but deleting the principal is not possible.
zoeken
PowerShell support for SharePoint Add-ins is very minimal. A limitation I ran into today is that you can use PowerShell to register an App Principal, or to retrieve one, but deleting the principal is not possible.