diff --git a/src/sonic-yang-models/tests/yang_model_tests/tests/sonic-events-syncd.json b/src/sonic-yang-models/tests/yang_model_tests/tests/sonic-events-syncd.json
index ed528e1bc2..daa50cc1a0 100644
--- a/src/sonic-yang-models/tests/yang_model_tests/tests/sonic-events-syncd.json
+++ b/src/sonic-yang-models/tests/yang_model_tests/tests/sonic-events-syncd.json
@@ -9,5 +9,20 @@
 	},
 	"SONIC_EVENTS_SYNCD_SYNCD_FAILURE_VALID": {
 		"desc": "VALID SYNCD_FAILURE EVENT."
+	},
+	"SONIC_EVENTS_SYNCD_ALPM_PARITY_ERROR_INCORRECT_OPERATION": {
+		"desc": "ALPM_PARITY_ERROR_EVENT_INCORRECT_OPERATION failure.",
+		"eStrKey": "InvalidValue"
+	},
+	"SONIC_EVENTS_SYNCD_ALPM_PARITY_ERROR_INCORRECT_IP_FAMILY": {
+		"desc": "ALPM_PARITY_ERROR_EVENT_INCORRECT_IP_FAMILY failure.",
+		"eStrKey": "InvalidValue"
+	},
+	"SONIC_EVENTS_SYNCD_ALPM_PARITY_ERROR_INCORRECT_TIMESTAMP": {
+		"desc": "ALPM_PARITY_ERROR_EVENT_INCORRECT_TIMESTAMP failure.",
+		"eStrKey": "Pattern"
+	},
+	"SONIC_EVENTS_SYNCD_ALPM_PARITY_ERROR_VALID": {
+		"desc": "VALID ALPM_PARITY_ERROR_EVENT."
 	}
 }
diff --git a/src/sonic-yang-models/tests/yang_model_tests/tests_config/sonic-events-syncd.json b/src/sonic-yang-models/tests/yang_model_tests/tests_config/sonic-events-syncd.json
index 778aad816b..24182b1998 100644
--- a/src/sonic-yang-models/tests/yang_model_tests/tests_config/sonic-events-syncd.json
+++ b/src/sonic-yang-models/tests/yang_model_tests/tests_config/sonic-events-syncd.json
@@ -22,5 +22,41 @@
                 "timestamp": "1985-04-12T23:20:50.52Z"
             }
         }
+    },
+    "SONIC_EVENTS_SYNCD_ALPM_PARITY_ERROR_INCORRECT_OPERATION": {
+        "sonic-events-syncd:sonic-events-syncd": {
+            "sonic-events-syncd:alpm-parity-error": {
+                "operation": "INVALID_OPERATION",
+                "ip_family": "IPv4",
+                "timestamp": "1985-04-12T23:20:50.52Z"
+            }
+        }
+    },
+    "SONIC_EVENTS_SYNCD_ALPM_PARITY_ERROR_INCORRECT_IP_FAMILY": {
+        "sonic-events-syncd:sonic-events-syncd": {
+            "sonic-events-syncd:alpm-parity-error": {
+                "operation": "insert",
+                "ip_family": "INCORRECT_IP_FAMILY",
+                "timestamp": "1985-04-12T23:20:50.52Z"
+            }
+        }
+    },
+    "SONIC_EVENTS_SYNCD_ALPM_PARITY_ERROR_INCORRECT_TIMESTAMP": {
+        "sonic-events-syncd:sonic-events-syncd": {
+            "sonic-events-syncd:alpm-parity-error": {
+                "operation": "delete",
+                "ip_family": "IPv6",
+                "timestamp": "INCORRECT_TIMESTAMP"
+            }
+        }
+    },
+    "SONIC_EVENTS_SYNCD_ALPM_PARITY_ERROR_VALID": {
+        "sonic-events-syncd:sonic-events-syncd": {
+            "sonic-events-syncd:alpm-parity-error": {
+                "operation": "insert",
+                "ip_family": "IPv4",
+                "timestamp": "1985-04-12T23:20:50.52Z"
+            }
+        }
     }
 }
diff --git a/src/sonic-yang-models/yang-models/sonic-events-syncd.yang b/src/sonic-yang-models/yang-models/sonic-events-syncd.yang
index 945afd79cf..02a33f8d66 100644
--- a/src/sonic-yang-models/yang-models/sonic-events-syncd.yang
+++ b/src/sonic-yang-models/yang-models/sonic-events-syncd.yang
@@ -8,6 +8,10 @@ module sonic-events-syncd {
         revision-date 2022-12-01;
     }
 
+    import sonic-types {
+        prefix stypes;
+    }
+
     organization
         "SONiC";
 
@@ -43,5 +47,28 @@ module sonic-events-syncd {
 
             uses evtcmn:sonic-events-cmn;
         }
+
+        container alpm-parity-error {
+            evtcmn:ALARM_SEVERITY_MAJOR;
+
+            description "
+                Declares an event for a parity error in ALPM
+                insert or delete for ipv4 or ipv6";
+
+            leaf operation {
+                type enumeration {
+                    enum "insert";
+                    enum "delete";
+                }
+                description "Operation for alpm parity error";
+            }
+
+            leaf ip_family {
+                type stypes:ip-family;
+                description "IP family for alpm parity error";
+            }
+
+            uses evtcmn:sonic-events-cmn;
+        }
     }
 }