diff --git a/lib/fitlien_common.dart b/lib/fitlien_common.dart
index 98901f4..4ff8907 100644
--- a/lib/fitlien_common.dart
+++ b/lib/fitlien_common.dart
@@ -14,12 +14,16 @@ class CollectionNames {
   static const String configurations = 'configurations';
   static const String memberships = 'memberships';
   static const String members = 'members';
+  static const String membershipPayments = 'membership_payments';
   static const String clientProfiles = 'client_profiles';
   static const String annualHolidays = 'annual_holidays';
   static const String commonHolidays = 'common_holidays';
-  static const String membershipPayments = 'membership_payments';
   static const String personalTrainerAssignments =
       'personal_trainer_assignments';
   static const String trainerAcceptedGyms = 'trainer_accepted_gyms';
   static const String dayPassEntries = 'day_pass_entries';
+  static const String clientInvitations = 'client_invitations';
+  static const String notifications = 'notifications';
+  static const String daypassBookings = 'daypass_bookings';
+  static const String paymentOrders = 'payment_orders';
 }