You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: mailer.rb
    path of file: ./repos/wheel/app/mailers
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

class Mailer < ActionMailer::Base
  layout "mailer"

  default from: Rails.application.secrets.mailer_default_from
    
  def contact_email(title, email, body)
    @email = email
    @title = title
    @body = body
    subject = "Contact us message from #{@email}"
    mail(to: Rails.application.secrets.support_email, from: @email, subject:) do |format|
      format.html
    end
  end