diff --git a/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/modules/authentication/QAuthenticationModuleCustomizerInterface.java b/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/modules/authentication/QAuthenticationModuleCustomizerInterface.java
index fd77cd81..01cb9a7a 100644
--- a/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/modules/authentication/QAuthenticationModuleCustomizerInterface.java
+++ b/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/modules/authentication/QAuthenticationModuleCustomizerInterface.java
@@ -52,4 +52,14 @@ public interface QAuthenticationModuleCustomizerInterface
       //////////
    }
 
+   /*******************************************************************************
+    **
+    *******************************************************************************/
+   default void finalCustomizeSession(QInstance qInstance, QSession qSession)
+   {
+      //////////
+      // noop //
+      //////////
+   }
+
 }
diff --git a/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/modules/authentication/implementations/Auth0AuthenticationModule.java b/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/modules/authentication/implementations/Auth0AuthenticationModule.java
index 7d1fc57d..5cd096df 100644
--- a/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/modules/authentication/implementations/Auth0AuthenticationModule.java
+++ b/qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/modules/authentication/implementations/Auth0AuthenticationModule.java
@@ -230,6 +230,14 @@ public class Auth0AuthenticationModule implements QAuthenticationModuleInterface
                }
             }
 
+            //////////////////////////////////////////////////////////////
+            // allow customizer to do custom things here, if so desired //
+            //////////////////////////////////////////////////////////////
+            if(getCustomizer() != null)
+            {
+               getCustomizer().finalCustomizeSession(qInstance, qSession);
+            }
+
             return (qSession);
          }
          else if(CollectionUtils.containsKeyWithNonNullValue(context, BASIC_AUTH_KEY))
@@ -284,7 +292,17 @@ public class Auth0AuthenticationModule implements QAuthenticationModuleInterface
          // try to build session to see if still valid      //
          // then call method to check more session validity //
          /////////////////////////////////////////////////////
-         return buildAndValidateSession(qInstance, accessToken);
+         QSession qSession = buildAndValidateSession(qInstance, accessToken);
+
+         //////////////////////////////////////////////////////////////
+         // allow customizer to do custom things here, if so desired //
+         //////////////////////////////////////////////////////////////
+         if(getCustomizer() != null)
+         {
+            getCustomizer().finalCustomizeSession(qInstance, qSession);
+         }
+
+         return (qSession);
       }
       catch(QAuthenticationException qae)
       {