@foreach ($conventions as $f) @endforeach

code_unique	Personnel	date_debut	nombre mois	montant_convention	Montant total	prestataire
{{ $f->code_unique }}	{{ $f->personel?->full_name() }}	{{ $f->date_debut }}	{{ $f->nombre_mois }}	{{ $f->montant_convention }}	{{ $f->montant_convention * $f->nombre_mois }}	{{ $f->prestataire->nom }}