diff --git a/packages/@azure/arm-datafactory/lib/models/datasetsMappers.ts b/packages/@azure/arm-datafactory/lib/models/datasetsMappers.ts
index d8458697eb03..6db6cc5de177 100644
--- a/packages/@azure/arm-datafactory/lib/models/datasetsMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/datasetsMappers.ts
@@ -46,8 +46,9 @@ export {
   RetryPolicy,
   DependencyReference,
   MultiplePipelineTrigger,
-  ResponsysLinkedService,
+  AzureFunctionLinkedService,
   SecretBase,
+  ResponsysLinkedService,
   AzureDatabricksLinkedService,
   AzureDataLakeAnalyticsLinkedService,
   HDInsightOnDemandLinkedService,
@@ -210,6 +211,7 @@ export {
   AvroFormat,
   JsonFormat,
   TextFormat,
+  AzureFunctionActivity,
   DatabricksSparkPythonActivity,
   DatabricksSparkJarActivity,
   DatabricksNotebookActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/factoriesMappers.ts b/packages/@azure/arm-datafactory/lib/models/factoriesMappers.ts
index fe7d8af2648b..38dec94fc70a 100644
--- a/packages/@azure/arm-datafactory/lib/models/factoriesMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/factoriesMappers.ts
@@ -52,8 +52,9 @@ export {
   RetryPolicy,
   DependencyReference,
   MultiplePipelineTrigger,
-  ResponsysLinkedService,
+  AzureFunctionLinkedService,
   SecretBase,
+  ResponsysLinkedService,
   AzureDatabricksLinkedService,
   AzureDataLakeAnalyticsLinkedService,
   HDInsightOnDemandLinkedService,
@@ -216,6 +217,7 @@ export {
   AvroFormat,
   JsonFormat,
   TextFormat,
+  AzureFunctionActivity,
   DatabricksSparkPythonActivity,
   DatabricksSparkJarActivity,
   DatabricksNotebookActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/index.ts b/packages/@azure/arm-datafactory/lib/models/index.ts
index e21ebaaab72d..63825a76b0ad 100644
--- a/packages/@azure/arm-datafactory/lib/models/index.ts
+++ b/packages/@azure/arm-datafactory/lib/models/index.ts
@@ -529,7 +529,7 @@ export interface ParameterSpecification {
 /**
  * Contains the possible cases for LinkedService.
  */
-export type LinkedServiceUnion = LinkedService | ResponsysLinkedService | AzureDatabricksLinkedService | AzureDataLakeAnalyticsLinkedService | HDInsightOnDemandLinkedService | SalesforceMarketingCloudLinkedService | NetezzaLinkedService | VerticaLinkedService | ZohoLinkedService | XeroLinkedService | SquareLinkedService | SparkLinkedService | ShopifyLinkedService | ServiceNowLinkedService | QuickBooksLinkedService | PrestoLinkedService | PhoenixLinkedService | PaypalLinkedService | MarketoLinkedService | MariaDBLinkedService | MagentoLinkedService | JiraLinkedService | ImpalaLinkedService | HubspotLinkedService | HiveLinkedService | HBaseLinkedService | GreenplumLinkedService | GoogleBigQueryLinkedService | EloquaLinkedService | DrillLinkedService | CouchbaseLinkedService | ConcurLinkedService | AzurePostgreSqlLinkedService | AmazonMWSLinkedService | SapHanaLinkedService | SapBWLinkedService | SftpServerLinkedService | FtpServerLinkedService | HttpLinkedService | AzureSearchLinkedService | CustomDataSourceLinkedService | AmazonRedshiftLinkedService | AmazonS3LinkedService | SapEccLinkedService | SapCloudForCustomerLinkedService | SalesforceLinkedService | AzureDataLakeStoreLinkedService | MongoDbLinkedService | CassandraLinkedService | WebLinkedService | ODataLinkedService | HdfsLinkedService | OdbcLinkedService | AzureMLLinkedService | TeradataLinkedService | Db2LinkedService | SybaseLinkedService | PostgreSqlLinkedService | MySqlLinkedService | AzureMySqlLinkedService | OracleLinkedService | FileServerLinkedService | HDInsightLinkedService | DynamicsLinkedService | CosmosDbLinkedService | AzureKeyVaultLinkedService | AzureBatchLinkedService | AzureSqlDatabaseLinkedService | SqlServerLinkedService | AzureSqlDWLinkedService | AzureTableStorageLinkedService | AzureBlobStorageLinkedService | AzureStorageLinkedService;
+export type LinkedServiceUnion = LinkedService | AzureFunctionLinkedService | ResponsysLinkedService | AzureDatabricksLinkedService | AzureDataLakeAnalyticsLinkedService | HDInsightOnDemandLinkedService | SalesforceMarketingCloudLinkedService | NetezzaLinkedService | VerticaLinkedService | ZohoLinkedService | XeroLinkedService | SquareLinkedService | SparkLinkedService | ShopifyLinkedService | ServiceNowLinkedService | QuickBooksLinkedService | PrestoLinkedService | PhoenixLinkedService | PaypalLinkedService | MarketoLinkedService | MariaDBLinkedService | MagentoLinkedService | JiraLinkedService | ImpalaLinkedService | HubspotLinkedService | HiveLinkedService | HBaseLinkedService | GreenplumLinkedService | GoogleBigQueryLinkedService | EloquaLinkedService | DrillLinkedService | CouchbaseLinkedService | ConcurLinkedService | AzurePostgreSqlLinkedService | AmazonMWSLinkedService | SapHanaLinkedService | SapBWLinkedService | SftpServerLinkedService | FtpServerLinkedService | HttpLinkedService | AzureSearchLinkedService | CustomDataSourceLinkedService | AmazonRedshiftLinkedService | AmazonS3LinkedService | SapEccLinkedService | SapCloudForCustomerLinkedService | SalesforceLinkedService | AzureDataLakeStoreLinkedService | MongoDbLinkedService | CassandraLinkedService | WebLinkedService | ODataLinkedService | HdfsLinkedService | OdbcLinkedService | AzureMLLinkedService | TeradataLinkedService | Db2LinkedService | SybaseLinkedService | PostgreSqlLinkedService | MySqlLinkedService | AzureMySqlLinkedService | OracleLinkedService | FileServerLinkedService | HDInsightLinkedService | DynamicsLinkedService | CosmosDbLinkedService | AzureKeyVaultLinkedService | AzureBatchLinkedService | AzureSqlDatabaseLinkedService | SqlServerLinkedService | AzureSqlDWLinkedService | AzureTableStorageLinkedService | AzureBlobStorageLinkedService | AzureStorageLinkedService;
 
 /**
  * @interface
@@ -2375,6 +2375,54 @@ export interface ScheduleTrigger {
   recurrence: ScheduleTriggerRecurrence;
 }
 
+/**
+ * @interface
+ * An interface representing AzureFunctionLinkedService.
+ * Azure Function linked service.
+ *
+ */
+export interface AzureFunctionLinkedService {
+  /**
+   * @member {string} type Polymorphic Discriminator
+   */
+  type: "AzureFunction";
+  /**
+   * @member {IntegrationRuntimeReference} [connectVia] The integration runtime
+   * reference.
+   */
+  connectVia?: IntegrationRuntimeReference;
+  /**
+   * @member {string} [description] Linked service description.
+   */
+  description?: string;
+  /**
+   * @member {{ [propertyName: string]: ParameterSpecification }} [parameters]
+   * Parameters for linked service.
+   */
+  parameters?: { [propertyName: string]: ParameterSpecification };
+  /**
+   * @member {any[]} [annotations] List of tags that can be used for describing
+   * the Dataset.
+   */
+  annotations?: any[];
+  /**
+   * @member {any} functionAppUrl The endpoint of the Azure Function App. URL
+   * will be in the format https://<accountName>.azurewebsites.net.
+   */
+  functionAppUrl: any;
+  /**
+   * @member {SecretBaseUnion} [functionKey] Function or Host key for Azure
+   * Function App.
+   */
+  functionKey?: SecretBaseUnion;
+  /**
+   * @member {any} [encryptedCredential] The encrypted credential used for
+   * authentication. Credentials are encrypted using the integration runtime
+   * credential manager. Type: string (or Expression with resultType string).
+   */
+  encryptedCredential?: any;
+}
+
 /**
  * @interface
  * An interface representing ResponsysLinkedService.
@@ -10799,7 +10847,7 @@ export interface ActivityPolicy {
 /**
  * Contains the possible cases for ExecutionActivity.
  */
-export type ExecutionActivityUnion = ExecutionActivity | DatabricksSparkPythonActivity | DatabricksSparkJarActivity | DatabricksNotebookActivity | DataLakeAnalyticsUSQLActivity | AzureMLUpdateResourceActivity | AzureMLBatchExecutionActivity | GetMetadataActivity | WebActivity | LookupActivity | DeleteActivity | SqlServerStoredProcedureActivity | CustomActivity | ExecuteSSISPackageActivity | HDInsightSparkActivity | HDInsightStreamingActivity | HDInsightMapReduceActivity | HDInsightPigActivity | HDInsightHiveActivity | CopyActivity;
+export type ExecutionActivityUnion = ExecutionActivity | AzureFunctionActivity | DatabricksSparkPythonActivity | DatabricksSparkJarActivity | DatabricksNotebookActivity | DataLakeAnalyticsUSQLActivity | AzureMLUpdateResourceActivity | AzureMLBatchExecutionActivity | GetMetadataActivity | WebActivity | LookupActivity | DeleteActivity | SqlServerStoredProcedureActivity | CustomActivity | ExecuteSSISPackageActivity | HDInsightSparkActivity | HDInsightStreamingActivity | HDInsightMapReduceActivity | HDInsightPigActivity | HDInsightHiveActivity | CopyActivity;
 
 /**
  * @interface
@@ -10839,6 +10887,68 @@ export interface ExecutionActivity {
   policy?: ActivityPolicy;
 }
 
+/**
+ * @interface
+ * An interface representing AzureFunctionActivity.
+ * Azure Function activity.
+ *
+ */
+export interface AzureFunctionActivity {
+  /**
+   * @member {string} type Polymorphic Discriminator
+   */
+  type: "AzureFunctionActivity";
+  /**
+   * @member {string} name Activity name.
+   */
+  name: string;
+  /**
+   * @member {string} [description] Activity description.
+   */
+  description?: string;
+  /**
+   * @member {ActivityDependency[]} [dependsOn] Activity depends on condition.
+   */
+  dependsOn?: ActivityDependency[];
+  /**
+   * @member {UserProperty[]} [userProperties] Activity user properties.
+   */
+  userProperties?: UserProperty[];
+  /**
+   * @member {LinkedServiceReference} [linkedServiceName] Linked service
+   * reference.
+   */
+  linkedServiceName?: LinkedServiceReference;
+  /**
+   * @member {ActivityPolicy} [policy] Activity policy.
+   */
+  policy?: ActivityPolicy;
+  /**
+   * @member {AzureFunctionActivityMethod} method Rest API method for target
+   * endpoint. Possible values include: 'GET', 'POST', 'PUT', 'DELETE',
+   * 'OPTIONS', 'HEAD', 'TRACE'
+   */
+  method: AzureFunctionActivityMethod;
+  /**
+   * @member {any} functionName Name of the Function that the Azure Function
+   * Activity will call. Type: string (or Expression with resultType string)
+   */
+  functionName: any;
+  /**
+   * @member {any} [headers] Represents the headers that will be sent to the
+   * request. For example, to set the language and type on a request: "headers"
+   * : { "Accept-Language": "en-us", "Content-Type": "application/json" }.
+   * Type: string (or Expression with resultType string).
+   */
+  headers?: any;
+  /**
+   * @member {any} [body] Represents the payload that will be sent to the
+   * endpoint. Required for POST/PUT method, not allowed for GET method Type:
+   * string (or Expression with resultType string).
+   */
+  body?: any;
+}
+
 /**
  * @interface
  * An interface representing DatabricksSparkPythonActivity.
@@ -16895,6 +17005,14 @@ export type DatasetCompressionLevel = 'Optimal' | 'Fastest';
  */
 export type JsonFormatFilePattern = 'setOfObjects' | 'arrayOfObjects';
 
+/**
+ * Defines values for AzureFunctionActivityMethod.
+ * Possible values include: 'GET', 'POST', 'PUT', 'DELETE', 'OPTIONS', 'HEAD', 'TRACE'
+ * @readonly
+ * @enum {string}
+ */
+export type AzureFunctionActivityMethod = 'GET' | 'POST' | 'PUT' | 'DELETE' | 'OPTIONS' | 'HEAD' | 'TRACE';
+
 /**
  * Defines values for WebActivityMethod.
  * Possible values include: 'GET', 'POST', 'PUT', 'DELETE'
diff --git a/packages/@azure/arm-datafactory/lib/models/integrationRuntimesMappers.ts b/packages/@azure/arm-datafactory/lib/models/integrationRuntimesMappers.ts
index 003d6f8fc929..f3aa889c99f3 100644
--- a/packages/@azure/arm-datafactory/lib/models/integrationRuntimesMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/integrationRuntimesMappers.ts
@@ -56,8 +56,9 @@ export {
   RetryPolicy,
   DependencyReference,
   MultiplePipelineTrigger,
-  ResponsysLinkedService,
+  AzureFunctionLinkedService,
   SecretBase,
+  ResponsysLinkedService,
   AzureDatabricksLinkedService,
   AzureDataLakeAnalyticsLinkedService,
   HDInsightOnDemandLinkedService,
@@ -227,6 +228,7 @@ export {
   AvroFormat,
   JsonFormat,
   TextFormat,
+  AzureFunctionActivity,
   DatabricksSparkPythonActivity,
   DatabricksSparkJarActivity,
   DatabricksNotebookActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/linkedServicesMappers.ts b/packages/@azure/arm-datafactory/lib/models/linkedServicesMappers.ts
index 002dcf5e6a0a..20d0a0dc1a66 100644
--- a/packages/@azure/arm-datafactory/lib/models/linkedServicesMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/linkedServicesMappers.ts
@@ -46,8 +46,9 @@ export {
   RetryPolicy,
   DependencyReference,
   MultiplePipelineTrigger,
-  ResponsysLinkedService,
+  AzureFunctionLinkedService,
   SecretBase,
+  ResponsysLinkedService,
   AzureDatabricksLinkedService,
   AzureDataLakeAnalyticsLinkedService,
   HDInsightOnDemandLinkedService,
@@ -210,6 +211,7 @@ export {
   AvroFormat,
   JsonFormat,
   TextFormat,
+  AzureFunctionActivity,
   DatabricksSparkPythonActivity,
   DatabricksSparkJarActivity,
   DatabricksNotebookActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/mappers.ts b/packages/@azure/arm-datafactory/lib/models/mappers.ts
index 4f71c5a2f149..e6c53daa4788 100644
--- a/packages/@azure/arm-datafactory/lib/models/mappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/mappers.ts
@@ -3152,6 +3152,45 @@ export const ScheduleTrigger: msRest.CompositeMapper = {
   }
 };
 
+export const AzureFunctionLinkedService: msRest.CompositeMapper = {
+  serializedName: "AzureFunction",
+  type: {
+    name: "Composite",
+    polymorphicDiscriminator: LinkedService.type.polymorphicDiscriminator,
+    uberParent: "LinkedService",
+    className: "AzureFunctionLinkedService",
+    modelProperties: {
+      ...LinkedService.type.modelProperties,
+      functionAppUrl: {
+        required: true,
+        serializedName: "typeProperties.functionAppUrl",
+        type: {
+          name: "Object"
+        }
+      },
+      functionKey: {
+        serializedName: "typeProperties.functionKey",
+        type: {
+          name: "Composite",
+          polymorphicDiscriminator: {
+            serializedName: "type",
+            clientName: "type"
+          },
+          uberParent: "SecretBase",
+          className: "SecretBase"
+        }
+      },
+      encryptedCredential: {
+        serializedName: "typeProperties.encryptedCredential",
+        type: {
+          name: "Object"
+        }
+      }
+    },
+    additionalProperties: LinkedService.type.additionalProperties
+  }
+};
+
 export const ResponsysLinkedService: msRest.CompositeMapper = {
   serializedName: "Responsys",
   type: {
@@ -9570,6 +9609,46 @@ export const ExecutionActivity: msRest.CompositeMapper = {
   }
 };
 
+export const AzureFunctionActivity: msRest.CompositeMapper = {
+  serializedName: "AzureFunctionActivity",
+  type: {
+    name: "Composite",
+    polymorphicDiscriminator: Activity.type.polymorphicDiscriminator,
+    uberParent: "Activity",
+    className: "AzureFunctionActivity",
+    modelProperties: {
+      ...ExecutionActivity.type.modelProperties,
+      method: {
+        required: true,
+        serializedName: "typeProperties.method",
+        type: {
+          name: "String"
+        }
+      },
+      functionName: {
+        required: true,
+        serializedName: "typeProperties.functionName",
+        type: {
+          name: "Object"
+        }
+      },
+      headers: {
+        serializedName: "typeProperties.headers",
+        type: {
+          name: "Object"
+        }
+      },
+      body: {
+        serializedName: "typeProperties.body",
+        type: {
+          name: "Object"
+        }
+      }
+    },
+    additionalProperties: Activity.type.additionalProperties
+  }
+};
+
 export const DatabricksSparkPythonActivity: msRest.CompositeMapper = {
   serializedName: "DatabricksSparkPython",
   type: {
@@ -14697,6 +14776,7 @@ export const discriminators = {
   'Trigger.BlobTrigger' : BlobTrigger,
   'Trigger.ScheduleTrigger' : ScheduleTrigger,
   'Trigger.MultiplePipelineTrigger' : MultiplePipelineTrigger,
+  'LinkedService.AzureFunction' : AzureFunctionLinkedService,
   'LinkedService.Responsys' : ResponsysLinkedService,
   'LinkedService.AzureDatabricks' : AzureDatabricksLinkedService,
   'LinkedService.AzureDataLakeAnalytics' : AzureDataLakeAnalyticsLinkedService,
@@ -14837,6 +14917,7 @@ export const discriminators = {
   'Dataset.AzureTable' : AzureTableDataset,
   'Dataset.AzureBlob' : AzureBlobDataset,
   'Dataset.AmazonS3Object' : AmazonS3Dataset,
+  'Activity.AzureFunctionActivity' : AzureFunctionActivity,
   'Activity.DatabricksSparkPython' : DatabricksSparkPythonActivity,
   'Activity.DatabricksSparkJar' : DatabricksSparkJarActivity,
   'Activity.DatabricksNotebook' : DatabricksNotebookActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/pipelinesMappers.ts b/packages/@azure/arm-datafactory/lib/models/pipelinesMappers.ts
index 86cd3817f749..16101649db13 100644
--- a/packages/@azure/arm-datafactory/lib/models/pipelinesMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/pipelinesMappers.ts
@@ -47,8 +47,9 @@ export {
   RetryPolicy,
   DependencyReference,
   MultiplePipelineTrigger,
-  ResponsysLinkedService,
+  AzureFunctionLinkedService,
   SecretBase,
+  ResponsysLinkedService,
   AzureDatabricksLinkedService,
   AzureDataLakeAnalyticsLinkedService,
   HDInsightOnDemandLinkedService,
@@ -211,6 +212,7 @@ export {
   AvroFormat,
   JsonFormat,
   TextFormat,
+  AzureFunctionActivity,
   DatabricksSparkPythonActivity,
   DatabricksSparkJarActivity,
   DatabricksNotebookActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/rerunTriggersMappers.ts b/packages/@azure/arm-datafactory/lib/models/rerunTriggersMappers.ts
index b027b1fbe6ce..434cd620566b 100644
--- a/packages/@azure/arm-datafactory/lib/models/rerunTriggersMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/rerunTriggersMappers.ts
@@ -47,8 +47,9 @@ export {
   RetryPolicy,
   DependencyReference,
   MultiplePipelineTrigger,
-  ResponsysLinkedService,
+  AzureFunctionLinkedService,
   SecretBase,
+  ResponsysLinkedService,
   AzureDatabricksLinkedService,
   AzureDataLakeAnalyticsLinkedService,
   HDInsightOnDemandLinkedService,
@@ -211,6 +212,7 @@ export {
   AvroFormat,
   JsonFormat,
   TextFormat,
+  AzureFunctionActivity,
   DatabricksSparkPythonActivity,
   DatabricksSparkJarActivity,
   DatabricksNotebookActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/triggersMappers.ts b/packages/@azure/arm-datafactory/lib/models/triggersMappers.ts
index 25bbfa5c4a6b..95683bdfb529 100644
--- a/packages/@azure/arm-datafactory/lib/models/triggersMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/triggersMappers.ts
@@ -46,8 +46,9 @@ export {
   RetryPolicy,
   DependencyReference,
   MultiplePipelineTrigger,
-  ResponsysLinkedService,
+  AzureFunctionLinkedService,
   SecretBase,
+  ResponsysLinkedService,
   AzureDatabricksLinkedService,
   AzureDataLakeAnalyticsLinkedService,
   HDInsightOnDemandLinkedService,
@@ -210,6 +211,7 @@ export {
   AvroFormat,
   JsonFormat,
   TextFormat,
+  AzureFunctionActivity,
   DatabricksSparkPythonActivity,
   DatabricksSparkJarActivity,
   DatabricksNotebookActivity,