app/controllers/fluentd/settings/filter_record_transformer_controller.rb
class Fluentd::Settings::FilterRecordTransformerController < ApplicationController
include SettingConcern
private
def target_class
Fluentd::Setting::FilterRecordTransformer
end
def setting_params
permit_params = target_class.permit_params + [:record]
params.require(:setting).permit(*permit_params)
end
end