diff --git a/specification/dns/resource-manager/Microsoft.Network/preview/2023-07-01-preview/dns.json b/specification/dns/resource-manager/Microsoft.Network/preview/2023-07-01-preview/dns.json
index 266090e293ce..52579818f410 100644
--- a/specification/dns/resource-manager/Microsoft.Network/preview/2023-07-01-preview/dns.json
+++ b/specification/dns/resource-manager/Microsoft.Network/preview/2023-07-01-preview/dns.json
@@ -365,27 +365,8 @@
             "$ref": "#/parameters/ApiVersionParameter"
           },
           {
-            "name": "recordType",
-            "in": "path",
-            "required": true,
-            "type": "string",
-            "description": "The type of DNS record in this record set.",
-            "enum": [
-              "A",
-              "AAAA",
-              "CAA",
-              "CNAME",
-              "MX",
-              "NS",
-              "PTR",
-              "SOA",
-              "SRV",
-              "TXT"
-            ],
-            "x-ms-enum": {
-              "name": "RecordType",
-              "modelAsString": false
-            }
+            "$ref": "#/parameters/RecordTypeParameter",
+            "description": "The type of DNS record in this record set."
           },
           {
             "name": "parameters",
@@ -475,27 +456,8 @@
             "$ref": "#/parameters/ApiVersionParameter"
           },
           {
-            "name": "recordType",
-            "in": "path",
-            "required": true,
-            "type": "string",
-            "description": "The type of DNS record in this record set. Record sets of type SOA can be updated but not created (they are created when the DNS zone is created).",
-            "enum": [
-              "A",
-              "AAAA",
-              "CAA",
-              "CNAME",
-              "MX",
-              "NS",
-              "PTR",
-              "SOA",
-              "SRV",
-              "TXT"
-            ],
-            "x-ms-enum": {
-              "name": "RecordType",
-              "modelAsString": false
-            }
+            "$ref": "#/parameters/RecordTypeParameter",
+            "description": "The type of DNS record in this record set. Record sets of type SOA can be updated but not created (they are created when the DNS zone is created)."
           },
           {
             "name": "parameters",
@@ -602,27 +564,8 @@
             "$ref": "#/parameters/ApiVersionParameter"
           },
           {
-            "name": "recordType",
-            "in": "path",
-            "required": true,
-            "type": "string",
-            "description": "The type of DNS record in this record set. Record sets of type SOA cannot be deleted (they are deleted when the DNS zone is deleted).",
-            "enum": [
-              "A",
-              "AAAA",
-              "CAA",
-              "CNAME",
-              "MX",
-              "NS",
-              "PTR",
-              "SOA",
-              "SRV",
-              "TXT"
-            ],
-            "x-ms-enum": {
-              "name": "RecordType",
-              "modelAsString": false
-            }
+            "$ref": "#/parameters/RecordTypeParameter",
+            "description": "The type of DNS record in this record set. Record sets of type SOA cannot be deleted (they are deleted when the DNS zone is deleted)."
           },
           {
             "name": "If-Match",
@@ -700,27 +643,8 @@
             "$ref": "#/parameters/ApiVersionParameter"
           },
           {
-            "name": "recordType",
-            "in": "path",
-            "required": true,
-            "type": "string",
-            "description": "The type of DNS record in this record set.",
-            "enum": [
-              "A",
-              "AAAA",
-              "CAA",
-              "CNAME",
-              "MX",
-              "NS",
-              "PTR",
-              "SOA",
-              "SRV",
-              "TXT"
-            ],
-            "x-ms-enum": {
-              "name": "RecordType",
-              "modelAsString": false
-            }
+            "$ref": "#/parameters/RecordTypeParameter",
+            "description": "The type of DNS record in this record set."
           }
         ],
         "responses": {
@@ -792,27 +716,8 @@
             "$ref": "#/parameters/ApiVersionParameter"
           },
           {
-            "name": "recordType",
-            "in": "path",
-            "required": true,
-            "type": "string",
-            "description": "The type of record sets to enumerate.",
-            "enum": [
-              "A",
-              "AAAA",
-              "CAA",
-              "CNAME",
-              "MX",
-              "NS",
-              "PTR",
-              "SOA",
-              "SRV",
-              "TXT"
-            ],
-            "x-ms-enum": {
-              "name": "RecordType",
-              "modelAsString": false
-            }
+            "$ref": "#/parameters/RecordTypeParameter",
+            "description": "The type of record sets to enumerate."
           },
           {
             "name": "$top",
@@ -2081,6 +1986,29 @@
       "description": "The name of the record set, relative to the name of the zone.",
       "x-ms-skip-url-encoding": true
     },
+    "RecordTypeParameter": {
+      "name": "recordType",
+      "in": "path",
+      "required": true,
+      "type": "string",
+      "description": "The type of DNS record.",
+      "enum": [
+        "A",
+        "AAAA",
+        "CAA",
+        "CNAME",
+        "MX",
+        "NS",
+        "PTR",
+        "SOA",
+        "SRV",
+        "TXT"
+      ],
+      "x-ms-enum": {
+        "name": "RecordType",
+        "modelAsString": false
+      }
+    },
     "ApiVersionParameter": {
       "name": "api-version",
       "in": "query",