/// <summary>
        /// Ensures the group Exists
        /// </summary>
        /// <param name="groupName"></param>
        private async Task <string> EnsureAzureADGroupExists(string groupName)
        {
            string groupId;

            var client = RestClient
                         .Configure()
                         .WithEnvironment(AzureEnvironment.AzureGlobalCloud)
                         .WithLogLevel(HttpLoggingDelegatingHandler.Level.None)
                         .WithCredentials(_authenticationHelper.GetAzureCrendentials())
                         .Build();

            GraphRbacManager graphRbacManager = new GraphRbacManager(client, _appSettings.TenantId);

            IActiveDirectoryGroup group = await graphRbacManager.Groups.GetByNameAsync(groupName);

            if (group == null)
            {
                GroupCreateParameters parameters = new GroupCreateParameters()
                {
                    DisplayName = groupName, MailNickname = groupName
                };

                ADGroupInner groupInner = await graphRbacManager.Groups.Inner.CreateAsync(parameters);

                groupId = groupInner.ObjectId;
            }
            else
            {
                groupId = group.Id;
            }

            return(groupId);
        }
 protected override IActiveDirectoryGroup WrapModel(ADGroupInner groupInner)
 {
     if (groupInner == null)
     {
         return(null);
     }
     return(new ActiveDirectoryGroupImpl(groupInner, manager));
 }