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in my send function (mail)

 

 $products= $this->context->cart->getProducts();

$vars=[

   '{products}' =>$products

];

 return Mail::send(

    $idLang=1,

        $template="example",

        $subject="some thing",

        $templateVars= $vars  ,

        $to=$toe,

        null,

        null,

        null,

        null,

        null,

        _PS_MODULE_DIR_ . $this->name . '/mails/'

  );

 

in my mails directory =>en

i have example.html and example.txt

how can i loop throw the products? in thows files

i tried to add example.tpl but that not working