diff --git a/sdk/eventgrid/arm-eventgrid/src/models/index.ts b/sdk/eventgrid/arm-eventgrid/src/models/index.ts
index 9b1f8835ea86..cc7747b8a0de 100644
--- a/sdk/eventgrid/arm-eventgrid/src/models/index.ts
+++ b/sdk/eventgrid/arm-eventgrid/src/models/index.ts
@@ -171,8 +171,9 @@ export interface Domain extends TrackedResource {
   inputSchemaMapping?: InputSchemaMappingUnion;
   /**
    * Metric resource id for the domain.
+   * **NOTE: This property will not be serialized. It can only be populated by the server.**
    */
-  metricResourceId?: string;
+  readonly metricResourceId?: string;
   /**
    * This determines if IP filtering rules ought to be evaluated or not. By default it will not
    * evaluate and will allow traffic from all IPs.
@@ -193,6 +194,16 @@ export interface DomainUpdateParameters {
    * Tags of the domains resource
    */
   tags?: { [propertyName: string]: string };
+  /**
+   * This determines if IP filtering rules ought to be evaluated or not. By default it will not
+   * evaluate and will allow traffic from all IPs.
+   */
+  allowTrafficFromAllIPs?: boolean;
+  /**
+   * This determines the IP filtering rules that ought be applied when events are received on this
+   * domain.
+   */
+  inboundIpRules?: InboundIpRule[];
 }
 
 /**
@@ -872,8 +883,9 @@ export interface Topic extends TrackedResource {
   inputSchemaMapping?: InputSchemaMappingUnion;
   /**
    * Metric resource id for the topic.
+   * **NOTE: This property will not be serialized. It can only be populated by the server.**
    */
-  metricResourceId?: string;
+  readonly metricResourceId?: string;
   /**
    * This determines if IP filtering rules ought to be evaluated or not. By default it will not
    * evaluate and will allow traffic from all IPs.
@@ -894,6 +906,16 @@ export interface TopicUpdateParameters {
    * Tags of the resource.
    */
   tags?: { [propertyName: string]: string };
+  /**
+   * This determines if IP filtering rules ought to be evaluated or not. By default it will not
+   * evaluate and will allow traffic from all IPs.
+   */
+  allowTrafficFromAllIPs?: boolean;
+  /**
+   * This determines the IP filtering rules that ought be applied when events are received on this
+   * domain.
+   */
+  inboundIpRules?: InboundIpRule[];
 }
 
 /**
diff --git a/sdk/eventgrid/arm-eventgrid/src/models/mappers.ts b/sdk/eventgrid/arm-eventgrid/src/models/mappers.ts
index 212e10a7d990..0c77f2b08a22 100644
--- a/sdk/eventgrid/arm-eventgrid/src/models/mappers.ts
+++ b/sdk/eventgrid/arm-eventgrid/src/models/mappers.ts
@@ -245,6 +245,7 @@ export const Domain: msRest.CompositeMapper = {
         }
       },
       metricResourceId: {
+        readOnly: true,
         serializedName: "properties.metricResourceId",
         type: {
           name: "String"
@@ -288,6 +289,24 @@ export const DomainUpdateParameters: msRest.CompositeMapper = {
             }
           }
         }
+      },
+      allowTrafficFromAllIPs: {
+        serializedName: "allowTrafficFromAllIPs",
+        type: {
+          name: "Boolean"
+        }
+      },
+      inboundIpRules: {
+        serializedName: "inboundIpRules",
+        type: {
+          name: "Sequence",
+          element: {
+            type: {
+              name: "Composite",
+              className: "InboundIpRule"
+            }
+          }
+        }
       }
     }
   }
@@ -1223,6 +1242,7 @@ export const Topic: msRest.CompositeMapper = {
         }
       },
       metricResourceId: {
+        readOnly: true,
         serializedName: "properties.metricResourceId",
         type: {
           name: "String"
@@ -1266,6 +1286,24 @@ export const TopicUpdateParameters: msRest.CompositeMapper = {
             }
           }
         }
+      },
+      allowTrafficFromAllIPs: {
+        serializedName: "allowTrafficFromAllIPs",
+        type: {
+          name: "Boolean"
+        }
+      },
+      inboundIpRules: {
+        serializedName: "inboundIpRules",
+        type: {
+          name: "Sequence",
+          element: {
+            type: {
+              name: "Composite",
+              className: "InboundIpRule"
+            }
+          }
+        }
       }
     }
   }
diff --git a/sdk/eventgrid/arm-eventgrid/src/operations/topicTypes.ts b/sdk/eventgrid/arm-eventgrid/src/operations/topicTypes.ts
index 66a0f4eb9c6f..f39e25895e38 100644
--- a/sdk/eventgrid/arm-eventgrid/src/operations/topicTypes.ts
+++ b/sdk/eventgrid/arm-eventgrid/src/operations/topicTypes.ts
@@ -81,20 +81,20 @@ export class TopicTypes {
   }
 
   /**
-   * List event types for a topic type
-   * @summary List event types
-   * @param topicTypeName Name of the topic type
+   * List event types for a topic type.
+   * @summary List event types.
+   * @param topicTypeName Name of the topic type.
    * @param [options] The optional parameters
    * @returns Promise<Models.TopicTypesListEventTypesResponse>
    */
   listEventTypes(topicTypeName: string, options?: msRest.RequestOptionsBase): Promise<Models.TopicTypesListEventTypesResponse>;
   /**
-   * @param topicTypeName Name of the topic type
+   * @param topicTypeName Name of the topic type.
    * @param callback The callback
    */
   listEventTypes(topicTypeName: string, callback: msRest.ServiceCallback<Models.EventTypesListResult>): void;
   /**
-   * @param topicTypeName Name of the topic type
+   * @param topicTypeName Name of the topic type.
    * @param options The optional parameters
    * @param callback The callback
    */