How to add an Extension to Outlook 365 event using Microsoft.Graph?
问题 I'm using Microsoft.Graph to create an Office365 calendar event. It works fine and I can create an event but I need to add a couple of extra string properties to an event, so I've created an extension for that. It compiles fine. But when I try to run it and create an event with added extension, it throws an error: Code: RequestBodyRead Message: The property 'extensionName' does not exist on type 'Microsoft.OutlookServices.Extension'. Make sure to only use property names that are defined by