process_action

# File actionpack/lib/action_controller/metal/instrumentation.rb, line 19
    def process_action(*)
      raw_payload = {
        controller: self.class.name,
        action: action_name,
        request: request,
        params: request.filtered_parameters,
        headers: request.headers,
        format: request.format.ref,
        method: request.request_method,
        path: request.fullpath
      }

      ActiveSupport::Notifications.instrument("start_processing.action_controller", raw_payload)

      ActiveSupport::Notifications.instrument("process_action.action_controller", raw_payload) do |payload|
        result = super
        payload[:response] = response
        payload[:status]   = response.status
        result
      ensure
        append_info_to_payload(payload)
      end
    end