diff --git a/packages/@azure/arm-datafactory/lib/models/datasetsMappers.ts b/packages/@azure/arm-datafactory/lib/models/datasetsMappers.ts
index 933ddb8679d9..a1515bd55c9f 100644
--- a/packages/@azure/arm-datafactory/lib/models/datasetsMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/datasetsMappers.ts
@@ -224,6 +224,7 @@ export {
   LookupActivity,
   CopySource,
   DeleteActivity,
+  LogStorageSettings,
   SqlServerStoredProcedureActivity,
   StoredProcedureParameter,
   CustomActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/factoriesMappers.ts b/packages/@azure/arm-datafactory/lib/models/factoriesMappers.ts
index 4e67c4c26a93..a8fc15ae9c36 100644
--- a/packages/@azure/arm-datafactory/lib/models/factoriesMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/factoriesMappers.ts
@@ -230,6 +230,7 @@ export {
   LookupActivity,
   CopySource,
   DeleteActivity,
+  LogStorageSettings,
   SqlServerStoredProcedureActivity,
   StoredProcedureParameter,
   CustomActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/index.ts b/packages/@azure/arm-datafactory/lib/models/index.ts
index 3f512a296428..e692a8b51e09 100644
--- a/packages/@azure/arm-datafactory/lib/models/index.ts
+++ b/packages/@azure/arm-datafactory/lib/models/index.ts
@@ -12662,6 +12662,30 @@ export interface LookupActivity {
   firstRowOnly?: any;
 }
 
+/**
+ * @interface
+ * An interface representing LogStorageSettings.
+ * Log storage settings.
+ *
+ */
+export interface LogStorageSettings {
+  /**
+   * @member {LinkedServiceReference} linkedServiceName Log storage linked
+   * service reference.
+   */
+  linkedServiceName: LinkedServiceReference;
+  /**
+   * @member {any} [path] The path to storage for storing detailed logs of
+   * activity execution. Type: string (or Expression with resultType string).
+   */
+  path?: any;
+  /**
+   * @property Describes unknown properties. The value of an unknown property
+   * can be of "any" type.
+   */
+  [property: string]: any;
+}
+
 /**
  * @interface
  * An interface representing DeleteActivity.
@@ -12699,11 +12723,27 @@ export interface DeleteActivity {
    */
   policy?: ActivityPolicy;
   /**
-   * @member {any} [recursive] If true, files under the folder path will be
-   * deleted recursively. Default is true. Type: boolean (or Expression with
-   * resultType boolean).
+   * @member {any} [recursive] If true, files or sub-folders under current
+   * folder path will be deleted recursively. Default is false. Type: boolean
+   * (or Expression with resultType boolean).
    */
   recursive?: any;
+  /**
+   * @member {number} [maxConcurrentConnections] The max concurrent connections
+   * to connect data source at the same time.
+   */
+  maxConcurrentConnections?: number;
+  /**
+   * @member {any} [enableLogging] Whether to record detailed logs of
+   * delete-activity execution. Default value is false. Type: boolean (or
+   * Expression with resultType boolean).
+   */
+  enableLogging?: any;
+  /**
+   * @member {LogStorageSettings} [logStorageSettings] Log storage settings
+   * customer need to provide when enableLogging is true.
+   */
+  logStorageSettings?: LogStorageSettings;
   /**
    * @member {DatasetReference} dataset Delete activity dataset reference.
    */
diff --git a/packages/@azure/arm-datafactory/lib/models/integrationRuntimesMappers.ts b/packages/@azure/arm-datafactory/lib/models/integrationRuntimesMappers.ts
index caa82cace79c..37687562a5c6 100644
--- a/packages/@azure/arm-datafactory/lib/models/integrationRuntimesMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/integrationRuntimesMappers.ts
@@ -241,6 +241,7 @@ export {
   LookupActivity,
   CopySource,
   DeleteActivity,
+  LogStorageSettings,
   SqlServerStoredProcedureActivity,
   StoredProcedureParameter,
   CustomActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/linkedServicesMappers.ts b/packages/@azure/arm-datafactory/lib/models/linkedServicesMappers.ts
index 48066deaee2a..573d18e4c1e5 100644
--- a/packages/@azure/arm-datafactory/lib/models/linkedServicesMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/linkedServicesMappers.ts
@@ -224,6 +224,7 @@ export {
   LookupActivity,
   CopySource,
   DeleteActivity,
+  LogStorageSettings,
   SqlServerStoredProcedureActivity,
   StoredProcedureParameter,
   CustomActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/mappers.ts b/packages/@azure/arm-datafactory/lib/models/mappers.ts
index f8a34501e2ef..ab86c3a2fca4 100644
--- a/packages/@azure/arm-datafactory/lib/models/mappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/mappers.ts
@@ -11179,6 +11179,36 @@ export const LookupActivity: msRest.CompositeMapper = {
   }
 };
 
+export const LogStorageSettings: msRest.CompositeMapper = {
+  serializedName: "LogStorageSettings",
+  type: {
+    name: "Composite",
+    className: "LogStorageSettings",
+    modelProperties: {
+      linkedServiceName: {
+        required: true,
+        serializedName: "linkedServiceName",
+        defaultValue: {},
+        type: {
+          name: "Composite",
+          className: "LinkedServiceReference"
+        }
+      },
+      path: {
+        serializedName: "path",
+        type: {
+          name: "Object"
+        }
+      }
+    },
+    additionalProperties: {
+      type: {
+        name: "Object"
+      }
+    }
+  }
+};
+
 export const DeleteActivity: msRest.CompositeMapper = {
   serializedName: "Delete",
   type: {
@@ -11194,6 +11224,33 @@ export const DeleteActivity: msRest.CompositeMapper = {
           name: "Object"
         }
       },
+      maxConcurrentConnections: {
+        serializedName: "typeProperties.maxConcurrentConnections",
+        constraints: {
+          InclusiveMinimum: 1
+        },
+        type: {
+          name: "Number"
+        }
+      },
+      enableLogging: {
+        serializedName: "typeProperties.enableLogging",
+        type: {
+          name: "Object"
+        }
+      },
+      logStorageSettings: {
+        serializedName: "typeProperties.logStorageSettings",
+        type: {
+          name: "Composite",
+          className: "LogStorageSettings",
+          additionalProperties: {
+            type: {
+              name: "Object"
+            }
+          }
+        }
+      },
       dataset: {
         required: true,
         serializedName: "typeProperties.dataset",
diff --git a/packages/@azure/arm-datafactory/lib/models/pipelinesMappers.ts b/packages/@azure/arm-datafactory/lib/models/pipelinesMappers.ts
index 590810df65a1..c883dd85c8eb 100644
--- a/packages/@azure/arm-datafactory/lib/models/pipelinesMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/pipelinesMappers.ts
@@ -225,6 +225,7 @@ export {
   LookupActivity,
   CopySource,
   DeleteActivity,
+  LogStorageSettings,
   SqlServerStoredProcedureActivity,
   StoredProcedureParameter,
   CustomActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/rerunTriggersMappers.ts b/packages/@azure/arm-datafactory/lib/models/rerunTriggersMappers.ts
index 93c79a14849c..557e5156953a 100644
--- a/packages/@azure/arm-datafactory/lib/models/rerunTriggersMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/rerunTriggersMappers.ts
@@ -225,6 +225,7 @@ export {
   LookupActivity,
   CopySource,
   DeleteActivity,
+  LogStorageSettings,
   SqlServerStoredProcedureActivity,
   StoredProcedureParameter,
   CustomActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/triggersMappers.ts b/packages/@azure/arm-datafactory/lib/models/triggersMappers.ts
index 6763311285bc..5f946996d3c2 100644
--- a/packages/@azure/arm-datafactory/lib/models/triggersMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/triggersMappers.ts
@@ -224,6 +224,7 @@ export {
   LookupActivity,
   CopySource,
   DeleteActivity,
+  LogStorageSettings,
   SqlServerStoredProcedureActivity,
   StoredProcedureParameter,
   CustomActivity,