Microsoft.Azure.Commands.Common.Authentication.Models.AzureAccount.SetOrAppendProperty C# (CSharp) Method

        public void SetOrAppendProperty(Property property, params string[] values)
        {
            Properties.SetOrAppendProperty(property, values);
        }

        private IEnumerable<AzureSubscription> ListSubscriptionsFromServer(AzureAccount account, AzureEnvironment environment, SecureString password, ShowDialog promptBehavior)
        {
            string[] tenants = null;
            try
            {
                if (!account.IsPropertySet(AzureAccount.Property.Tenants))
                {
                    tenants = LoadAccountTenants(account, environment, password, promptBehavior);
                }
                else
                {
                    var storedTenants = account.GetPropertyAsArray(AzureAccount.Property.Tenants);
                    if (account.Type == AzureAccount.AccountType.User && storedTenants.Count() == 1)
                    {
                        TracingAdapter.Information(Resources.AuthenticatingForSingleTenant, account.Id, storedTenants[0]);
                        AzureSession.AuthenticationFactory.Authenticate(account, environment, storedTenants[0], password,
                            promptBehavior);
                    }
                }
            }
            catch (AadAuthenticationException aadEx)
            {
                WriteOrThrowAadExceptionMessage(aadEx);
                return new AzureSubscription[0];
            }

            try
            {
                tenants = tenants ?? account.GetPropertyAsArray(AzureAccount.Property.Tenants);
                List<AzureSubscription> rdfeSubscriptions = ListServiceManagementSubscriptions(account, environment,
                    password, ShowDialog.Never, tenants).ToList();

                // Set user ID
                foreach (var subscription in rdfeSubscriptions)
                {
                    account.SetOrAppendProperty(AzureAccount.Property.Subscriptions, subscription.Id.ToString());
                }

                if (rdfeSubscriptions.Any())
                {
                    return rdfeSubscriptions;
                }
                else
                {
                    return new AzureSubscription[0];
                }
            }
            catch (AadAuthenticationException aadEx)
            {
                WriteOrThrowAadExceptionMessage(aadEx);
                return new AzureSubscription[0];
            }
        }