Email domain typlology rule for transactional events messages

[#1]

Hello everyone,

Is there a possibility to filter the email domains in transactional events? Objective is to only allow testers email domains during UAT.

We obviously can't use a profile filter typology rule because the email address is only in the JSON body, so i tried importing via package a control typology rule, with JS condition on : rtEvent.email, but I get an error : 

Anyone to help me on this one please ?

[#2]

Are you using "real-time transactional messages" or "profile transactional messages"?

For profile messages, the regular filtering rules can be applied.

For real-time ones, unfortunately you can't apply such a filter