docs: document new Cognito events

Author: knightmre

docs/utilities/data_classes.md

@@ -671,18 +671,21 @@ Data classes and utility functions to help create continuous delivery pipelines
 Cognito User Pools have several [different Lambda trigger sources](https://docs.aws.amazon.com/cognito/latest/developerguide/cognito-user-identity-pools-working-with-aws-lambda-triggers.html#cognito-user-identity-pools-working-with-aws-lambda-trigger-sources){target="_blank"}, all of which map to a different data class, which
 can be imported from `aws_lambda_powertools.data_classes.cognito_user_pool_event`:
 
-| Trigger/Event Source  | Data Class                                                                     |
-| --------------------- | ------------------------------------------------------------------------------ |
-| Custom message event  | `data_classes.cognito_user_pool_event.CustomMessageTriggerEvent`               |
-| Post authentication   | `data_classes.cognito_user_pool_event.PostAuthenticationTriggerEvent`          |
-| Post confirmation     | `data_classes.cognito_user_pool_event.PostConfirmationTriggerEvent`            |
-| Pre authentication    | `data_classes.cognito_user_pool_event.PreAuthenticationTriggerEvent`           |
-| Pre sign-up           | `data_classes.cognito_user_pool_event.PreSignUpTriggerEvent`                   |
-| Pre token generation  | `data_classes.cognito_user_pool_event.PreTokenGenerationTriggerEvent`          |
-| User migration        | `data_classes.cognito_user_pool_event.UserMigrationTriggerEvent`               |
-| Define Auth Challenge | `data_classes.cognito_user_pool_event.DefineAuthChallengeTriggerEvent`         |
-| Create Auth Challenge | `data_classes.cognito_user_pool_event.CreateAuthChallengeTriggerEvent`         |
-| Verify Auth Challenge | `data_classes.cognito_user_pool_event.VerifyAuthChallengeResponseTriggerEvent` |
+| Trigger/Event Source    | Data Class                                                                     |
+| ---------------------   | ------------------------------------------------------------------------------ |
+| Custom message event    | `data_classes.cognito_user_pool_event.CustomMessageTriggerEvent`               |
+| Post authentication     | `data_classes.cognito_user_pool_event.PostAuthenticationTriggerEvent`          |
+| Post confirmation       | `data_classes.cognito_user_pool_event.PostConfirmationTriggerEvent`            |
+| Pre authentication      | `data_classes.cognito_user_pool_event.PreAuthenticationTriggerEvent`           |
+| Pre sign-up             | `data_classes.cognito_user_pool_event.PreSignUpTriggerEvent`                   |
+| Pre token generation    | `data_classes.cognito_user_pool_event.PreTokenGenerationTriggerEvent`          |
+| Pre token generation V2 | `data_classes.cognito_user_pool_event.PreTokenGenerationV2TriggerEvent`        |
+| User migration          | `data_classes.cognito_user_pool_event.UserMigrationTriggerEvent`               |
+| Define Auth Challenge   | `data_classes.cognito_user_pool_event.DefineAuthChallengeTriggerEvent`         |
+| Create Auth Challenge   | `data_classes.cognito_user_pool_event.CreateAuthChallengeTriggerEvent`         |
+| Verify Auth Challenge   | `data_classes.cognito_user_pool_event.VerifyAuthChallengeResponseTriggerEvent` |
+| Custom Email Sender     | `data_classes.cognito_user_pool_event.CustomEmailSenderTriggerEvent`           |
+| Custom SMS Sender       | `data_classes.cognito_user_pool_event.CustomSMSSenderTriggerEvent`             |
 
 #### Post Confirmation Example