Cognito Custom Message Trigger doesn’t have any effect


I am trying to customize the message sent to the user pre-verification by using the custom message trigger, I verified that the data returned from the lambda is valid and the modifications are as I want them to be, however it seems that those changes are not taking any effect as I get the standard verification details to my email

I failed to find any solutions in aws docs, anyone had the same issue ?


It seems that in the cognito panel under message customizations verification type code needs to be checked (not link), after I did that the trigger does change the message

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