/// <summary>
/// Retrieves all messages in a specific user mailFolder
/// </summary>
public async Task <Microsoft.Graph.IMailFolderMessagesCollectionPage> getMailFolderMessages(string folderId, string requestUri, string callbackToken)
{
// Get access token
var token = Data.GetUserSessionToken(Settings.GetUserAuthStateId(ControllerContext.HttpContext), Settings.AzureADAuthority);
// TODO: Comes in chunks of 10, need to iterate through all...
var messages = await GraphApiHelper.getMailFolderMessages(folderId, token.AccessToken, requestUri, callbackToken);
return(messages);
}