[_raw_ doent work ?

I try to use [_raw_ .. but it doesent work…
Could you help me ?
I use it like this :
[select* prestataire class:champ-moitie first_as_label “Choisissez votre prestataire *” “prestataire 1|contact@xxx” “prestataire 2|[email protected]” “prestataire 3|[email protected]” “prestataire 4|[email protected]”] and 50 other prestataire and their emails

Next i have use the E-mail tab like this :
to : [_raw_prestataire]

and Cc: [email protected] (its ok for this email) with this body email and value return ok :
[prestataire]
[_raw_prestataire]
With the correct values instead

Could you help me ?