private GraphServiceClient GetGraphServiceClient(string[] scopes) { //Ask the Graph Factoy to create a GraphServiceAPI client. Using the token of the user that is logged in authorized return(GraphFactory.GetAuthenticatedGraphClient(async() => { //Uses project Microsoft.Identity.Web to get the token string result = await tokenAcquisition.GetAccessTokenForUserAsync(scopes); return result; }, webOptions.GraphApiUrl)); }