GraphServiceClient graphClient = new GraphServiceClient(authProvider); var group = new Group { DisplayName = "New Group", GroupTypes = new ListIn this example, the GraphServiceClient object is created using an authentication provider, and then a new Group object is created with its basic properties. The AddAsync() method is called on the Groups Request object to create and add the new group to the directory. Package Library: Microsoft.Graph 3.0.0 or newer.{ "Unified" }, MailEnabled = true, MailNickname = "newgroup", SecurityEnabled = true }; await graphClient.Groups .Request() .AddAsync(group);