anchor.diff:  	post_hub_inventory, delete_hub_inventory, get_inventory_hubs,
   	get_inventory_hub,
   	notify_insert_gtt, notify_delete_gtt, query_gtt_notification,
  -	notify_add_pla, notify_delete_pla, query_pla_notification,
  +	notify_add_resource, notify_delete_pla, query_pla_notification,
   	post_hub_usage, get_usage_hubs, get_usage_hub, delete_hub_usage,
   	notify_diameter_acct_log, get_resource, get_resources,
   	post_resource, delete_resource, update_resource, oauth_authentication].
  
positive.code: 			{_, Prefix} = lists:keyfind("id", 1, GttList)
  	end.
  
  notify_add_pla() ->
  	[{userdata, [{doc, "Receive pla creation notification."}]}].
  
  notify_add_pla(Config) ->
  	HostUrl = ?config(host_url, Config),
  	CollectionUrl = HostUrl ++ ?PathResourceHub,
  	ListenerPort = ?config(listener_port, Config),
  	ListenerServer = "http://localhost:" ++ integer_to_list(ListenerPort),
  	Callback = ListenerServer ++ "/listener/"
  			++ atom_to_list(?MODULE) ++ "/notifyaddpla",
  	RequestBody = "{\n"
  			++ "\t\"callback\": \"" ++ Callback ++ "\",\n"
  			++ "}\n",
  
negative.code: 	Accept = {"accept", "application/json"},
  	Request = {CollectionUrl, [Accept, auth_header()], ContentType, RequestBody},
  	{ok, {{_, 201, _}, _, _}} = httpc:request(post, Request, [], []),
  	TariffResource = #resource{name = "Example",
  			start_date = erlang:system_time(?MILLISECOND),
  			end_date = erlang:system_time(?MILLISECOND) + rand:uniform(10000000000),
  			state = "created", specification = #specification_ref{id = "4",
  			href = "/resourceCatalogManagement/v3/resourceSpecification/4",
  			name = "Example spec", version = "1.0"}},
  	{ok, #resource{}} = ocs:add_resource(TariffResource),
  	receive
  		Receive ->
  			{struct, ResEvent} = mochijson:decode(Receive),
  			{_, "ResourceCreationNotification"}
  					= lists:keyfind("eventType", 1, ResEvent),
  			{_, {struct, ResList}} = lists:keyfind("event", 1, ResEvent),
  			{_, Id} = lists:keyfind("id", 1, ResList),
  			true = is_list(Id)
  	end.
  
  notify_delete_pla() ->
  