attachment

# File actionmailer/lib/action_mailer/old_api.rb, line 93
    def attachment(params, &block)
      ActiveSupport::Deprecation.warn "attachment() is deprecated and will be removed in future versions. " <<
        "Please use the attachments[] API instead."
      params = { :content_type => params } if String === params

      params[:content] ||= params.delete(:data) || params.delete(:body)

      if params[:filename]
        params = normalize_file_hash(params)
      else
        params = normalize_nonfile_hash(params)
      end

      part(params, &block)
    end