module Cisco-IOS-XE-hsrp-events {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XE-hsrp-events";

    prefix hsrp-ios-xe-events;

    import ietf-inet-types {
      prefix inet;
    }
    import cisco-semver {
      prefix cisco-semver;
    }

    organization "Cisco Systems, Inc.";

    contact
      "Cisco Systems, Inc.
     Customer Service

     Postal: 170 W Tasman Drive
     San Jose, CA 95134

     Tel: +1 1800 553-NETS

     E-mail: cs-yang@cisco.com";

    description
      "This module contains a collection of YANG definitions
     for HSRP State change Notification.
     Copyright (c) 2020 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2020-11-01" {
      description "Initial revision";
      reference
        "1.0.0";

    }

    cisco-semver:module-version "1.0.0";

    typedef hsrp-notification-severity {
      type enumeration {
        enum "critical" {
          value 0;
          description
            "Notification severity - critical";
        }
        enum "major" {
          value 1;
          description
            "Notification severity - major";
        }
        enum "minor" {
          value 2;
          description
            "Notification severity - minor";
        }
      }
      description "Notification severity";
    }

    typedef hsrp-ip-addr-type {
      type enumeration {
        enum "hsrp-undefined" {
          value 0;
          description "IP Address undefined";
        }
        enum "hsrp-ipv4-address" {
          value 1;
          description "IPv4 address";
        }
        enum "hsrp-ipv6-address" {
          value 2;
          description "IPv6 address";
        }
      }
      description "IP Address type";
    }

    typedef hsrp-notif-proto-state-type {
      type enumeration {
        enum "hsrp-notif-state-invalid" {
          value 0;
          description "HSRP state invalid";
        }
        enum "hsrp-notif-state-disabled" {
          value 1;
          description "HSRP state disabled";
        }
        enum "hsrp-notif-state-init" {
          value 2;
          description "HSRP state init";
        }
        enum "hsrp-notif-state-learn" {
          value 3;
          description "HSRP state learn";
        }
        enum "hsrp-notif-state-listen" {
          value 4;
          description "HSRP state listen";
        }
        enum "hsrp-notif-state-speak" {
          value 5;
          description "HSRP state speak";
        }
        enum "hsrp-notif-state-standby" {
          value 6;
          description "HSRP state standby";
        }
        enum "hsrp-notif-state-active" {
          value 7;
          description "HSRP state active";
        }
      }
      description "HSRP protocol state";
    }

    grouping hsrp-group-state-change-data {
      description "HSRP group state change";
      leaf severity {
        type hsrp-notification-severity;
        description "Event severity";
      }

      leaf host-name {
        type string;
        description "Host name";
      }

      leaf system-ip {
        type inet:ip-address;
        description "IP address";
      }

      leaf group-id {
        type uint16;
        description "HSRP Group ID";
      }

      leaf addr-type {
        type hsrp-ip-addr-type;
        description "Address Type";
      }

      leaf if-name {
        type string;
        description "Interface Name";
      }

      leaf hsrp-group-state {
        type hsrp-notif-proto-state-type;
        description "HSRP state";
      }
    }  // grouping hsrp-group-state-change-data

    notification hsrp-group-state-change {
      description
        "HSRP group state change Notification";
      uses hsrp-ios-xe-events:hsrp-group-state-change-data;
    }  // notification hsrp-group-state-change
  }  // module Cisco-IOS-XE-hsrp-events