[
 (#REM) Rebond : Video YouTube 
][
 (#SET{taille,[(#ENV**{taille,rebond_auto})]}) ][
 (#SET{ref,[(#ENV**{clefs}|table_valeur{id})]})
]
<iframe class="#GET{taille}"
           src="https://www.youtube.com/embed/#GET{ref}" 
           frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>