Microsoft is giving us a push to use Microsoft Graph as an alternative to using SharePoint CSOM. Unfortunately, not everything is available in Microsoft Graph. When you are automating, you want to use a service account that has no user identity (delegation) in it and can be autonomous. However, the only way right now to get an application token that can be used to consume the SharePoint Online CSOM, is to authenticate your application using an authentication certificate. This post continues on the SPOAuthentication code, as discussed in my other post. We will make use of the KeyVault to store the authentication certificate and then add it to the application as a key credential used for authentication. KeyVault and Application…