anchor.diff:  			"LogicalResourceCreationNotification";
   		delete_gtt ->
   			"LogicalResourceRemoveNotification";
  +		create_resource ->
  +			"ResourceCreationNotification";
   		log_acct ->
   			"UsageCreationEvent"
   	end.
  
positive.code: 			ocs_rest_res_service:inventory(Resource);
  		resource ->
  			case Resource of
  				{Table, #gtt{num = Prefix, value = {Description, Rate, _}}} ->
  					ocs_rest_res_resource:gtt(atom_to_list(Table),
  							{Prefix, Description, Rate})
  
negative.code: 		Event :: {Type, Resource, Category},
  		Type :: create_bucket | delete_bucket | charge | depleted | accumulated
  				| create_product | delete_product | create_service | delete_service
  				| create_offer | delete_offer | create_resource
  				| insert_gtt | delete_gtt | log_acct,
  		Resource :: #bucket{} | #product{} | #service{} | #offer{} | #resource{}
  				| {Table, #gtt{}} | [#adjustment{}] | [#acc_balance{}]
  				| ocs_log:acct_event(),
  		Table :: atom(),
  