class Decidim::Meetings::RegistrationMailer

def confirmation(user, meeting, registration)
  with_user(user) do
    @user = user
    @meeting = meeting
    @registration = registration
    @organization = @meeting.organization
    @locator = Decidim::ResourceLocatorPresenter.new(@meeting)
    add_calendar_attachment
    subject = I18n.t("confirmation.subject", scope: "decidim.meetings.mailer.registration_mailer")
    mail(to: user.email, subject: subject)
  end
end