module notifications {

      yang-version 1;

      namespace
         "urn:ietf:params:xml:ns:netconf:notification:1.0";

      prefix "ncEvent";

      import ietf-yang-types {
         prefix "yang";
      }
      import yuma-ncx {
         prefix "ncx";
      }

      organization "IETF NETCONF WG";

      contact "netconf@ops.ietf.org";

      description
         "Conversion of the 'ncEvent' XSD in the 
         NETCONF Notifications RFC.";

      reference
         "RFC 5277.";


      revision "2008-07-14" {
         description "RFC 5277 version.";
      }


      typedef streamNameType {
         type string;
         description "The name of an event stream.";
      }

      rpc create-subscription {
         description
            "The command to create a notification subscription. It
            takes as argument the name of the notification stream
            and filter. Both of those options limit the content of
            the subscription. In addition, there are two time-related
            parameters, startTime and stopTime, which can be used to 
            select the time interval of interest to the notification
            replay feature.";
         input {
            leaf stream {
               type streamNameType;
               default "NETCONF";
               description
                  "An optional parameter that indicates which stream of events
                  is of interest. If not present, then events in the default
                  NETCONF stream will be sent.";
            }

            anyxml filter {
               description
                  "An optional parameter that indicates which subset of all
                  possible events is of interest. The format of this
                  parameter is the same as that of the filter parameter
                  in the NETCONF protocol operations. If not present,
                  all events not precluded by other parameters will 
                  be sent.";
            }

            leaf startTime {
               type yang:date-and-time;
               description
                  "A parameter used to trigger the replay feature and
                  indicates that the replay should start at the time
                  specified. If start time is not present, this is not a
                  replay subscription.";
            }

            leaf stopTime {
               type yang:date-and-time;
               description
                  "An optional parameter used with the optional replay
                  feature to indicate the newest notifications of
                  interest. If stop time is not present, the notifications
                  will continue until the subscription is terminated.
                  Must be used with startTime.";
            }
         }
      }  // rpc create-subscription

      container notification {
         config "false";
         description
            "internal struct to start a notification";
         leaf eventTime {
            type yang:date-and-time;
            mandatory "true";
         }
         ncx:abstract;
         ncx:hidden;
      }  // container notification
   }  // module notifications