let defaultClient = SibApiV3Sdk.ApiClient.instance
        let apiKey = defaultClient.authentications['api-key']
        apiKey.apiKey = process.env.CLEF_API;

        let apiInstance = new SibApiV3Sdk.TransactionalEmailsApi();
        let sendSmtpEmail = new SibApiV3Sdk.SendSmtpEmail();

        sendSmtpEmail.subject = "New password"
        sendSmtpEmail.htmlContent = "Hello " + data.prenom + "\nYour new password is : " + new_password + "\n\nBest regards"
        sendSmtpEmail.sender = "szkglsk@gmail.com"
        sendSmtpEmail.to = req.body.email;

        await apiInstance.sendTransacEmail(sendSmtpEmail).then(
            function (data) {
              console.log('API called successfully. Returned data: ' + JSON.stringify(data))
              return JSON.stringify(data)
            },
            function (error) {
              console.error(error)
              throw error
            }
          )