Navigate to the Authentication section in the Auth0 Manage Dashboard, choose your Connection, then select Try from the connection’s dropdown menu to verify that everything works as intended.

DB-Connection

You can then log into your Plivo account to verify that SMS messages are indeed being sent.

Plivo-Logs

If you don’t receive an SMS message as expected, look in your tenant logs for a failed Phone Message log entry. To learn which event types to search, see the Log Event Type Code list. You can use the Filter control to find MFA errors. Make sure that:
  • The Action is in the Send Phone Message flow.
  • The secrets are the same Plivo Auth ID and Auth Token you created when you added the Action.
  • Your Plivo account is active (not suspended).
  • Your phone number is formatted in E.164 format.