anchor.diff:  
   maybe_add_data(Msg, []) ->
       Msg;
  +maybe_add_data(Msg, undefined) ->
  +    ej:set({<<"data">>}, Msg, {[]});
   maybe_add_data(Msg, FullActionPayload) ->
       ej:set({<<"data">>}, Msg, FullActionPayload).
   
  
positive.code:                     ok
              end
      end;
  log_action(_Req, _State) ->
      %% unknown state
      ok.
  
  -spec  log_action0(Req :: wm_req(),
                     State :: #base_state{}) -> ok.
  
negative.code: -compile([export_all]).
  -endif.
  
  -define(CHEF_ACTIONS_MESSAGE_VERSION, <<"0.1.1">>).
  
  -spec log_action(Req :: wm_req(),
                   State :: #base_state{}) -> ok.
  