module augment-topology4 {

    yang-version 1;

    namespace "ydt.augment-topology4";

    prefix "aug4";

    import yms-ietf-network {
        prefix nd;
    }

    import augment-topology1 {
        prefix aug1;
    }

    import augment-topology2 {
        prefix aug2;
    }

    import augment-topology3 {
        prefix aug3;
    }

    import yms-network-topology {
        prefix topo;
    }

    organization "ON-LAB";

    description "This module defines for augment-topology4 classifier.";

    revision "2016-05-24" {
        description "Initial revision.";
    }

    augment "/nd:networks/nd:network/topo:link/aug2:augment2/aug3:augment3" {
        description
        "Add augment4 to the augment3 model.";
        container augment4 {
            config false;
            leaf value4 {
                  type int8;
            }
        }
    }

    augment "/nd:networks/nd:network/nd:node/topo:t-point/" +
    "supporting-termination-point/aug2:augment2" {
        description
        "Add augment4leaf to the augment2 model.";

        leaf augment4leaf{
            type string;
        }

    }
}