diff --git a/packages/@azure/arm-datafactory/lib/models/datasetsMappers.ts b/packages/@azure/arm-datafactory/lib/models/datasetsMappers.ts
index d1ce28a45888..afb72cb35589 100644
--- a/packages/@azure/arm-datafactory/lib/models/datasetsMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/datasetsMappers.ts
@@ -231,6 +231,7 @@ export {
   CustomActivityReferenceObject,
   ExecuteSSISPackageActivity,
   SSISPackageLocation,
+  SSISExecutionCredential,
   SSISExecutionParameter,
   SSISPropertyOverride,
   HDInsightSparkActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/factoriesMappers.ts b/packages/@azure/arm-datafactory/lib/models/factoriesMappers.ts
index e8fedcdc62e0..c6a290fb013b 100644
--- a/packages/@azure/arm-datafactory/lib/models/factoriesMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/factoriesMappers.ts
@@ -237,6 +237,7 @@ export {
   CustomActivityReferenceObject,
   ExecuteSSISPackageActivity,
   SSISPackageLocation,
+  SSISExecutionCredential,
   SSISExecutionParameter,
   SSISPropertyOverride,
   HDInsightSparkActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/index.ts b/packages/@azure/arm-datafactory/lib/models/index.ts
index ef4036c714ca..c73bd42c7782 100644
--- a/packages/@azure/arm-datafactory/lib/models/index.ts
+++ b/packages/@azure/arm-datafactory/lib/models/index.ts
@@ -625,6 +625,12 @@ export interface Dataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -7427,6 +7433,12 @@ export interface ResponsysObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -7475,6 +7487,12 @@ export interface SalesforceMarketingCloudObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -7523,6 +7541,12 @@ export interface VerticaTableDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -7571,6 +7595,12 @@ export interface NetezzaTableDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -7619,6 +7649,12 @@ export interface ZohoObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -7667,6 +7703,12 @@ export interface XeroObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -7715,6 +7757,12 @@ export interface SquareObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -7763,6 +7811,12 @@ export interface SparkObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -7811,6 +7865,12 @@ export interface ShopifyObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -7859,6 +7919,12 @@ export interface ServiceNowObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -7907,6 +7973,12 @@ export interface QuickBooksObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -7955,6 +8027,12 @@ export interface PrestoObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -8003,6 +8081,12 @@ export interface PhoenixObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -8051,6 +8135,12 @@ export interface PaypalObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -8099,6 +8189,12 @@ export interface MarketoObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -8147,6 +8243,12 @@ export interface MariaDBTableDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -8195,6 +8297,12 @@ export interface MagentoObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -8243,6 +8351,12 @@ export interface JiraObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -8291,6 +8405,12 @@ export interface ImpalaObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -8339,6 +8459,12 @@ export interface HubspotObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -8387,6 +8513,12 @@ export interface HiveObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -8435,6 +8567,12 @@ export interface HBaseObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -8483,6 +8621,12 @@ export interface GreenplumTableDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -8531,6 +8675,12 @@ export interface GoogleBigQueryObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -8579,6 +8729,12 @@ export interface EloquaObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -8627,6 +8783,12 @@ export interface DrillTableDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -8675,6 +8837,12 @@ export interface CouchbaseTableDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -8723,6 +8891,12 @@ export interface ConcurObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -8771,6 +8945,12 @@ export interface AzurePostgreSqlTableDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -8819,6 +8999,12 @@ export interface AmazonMWSObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -9195,6 +9381,12 @@ export interface HttpDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -9271,6 +9463,12 @@ export interface AzureSearchIndexDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -9319,6 +9517,12 @@ export interface WebTableDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -9372,6 +9576,12 @@ export interface SqlServerTableDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -9420,6 +9630,12 @@ export interface SapEccResourceDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -9468,6 +9684,12 @@ export interface SapCloudForCustomerResourceDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -9516,6 +9738,12 @@ export interface SalesforceObjectDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -9564,6 +9792,12 @@ export interface RelationalTableDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -9612,6 +9846,12 @@ export interface AzureMySqlTableDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -9660,6 +9900,12 @@ export interface OracleTableDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -9708,6 +9954,12 @@ export interface ODataResourceDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -9756,6 +10008,12 @@ export interface MongoDbCollectionDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -9804,6 +10062,12 @@ export interface FileShareDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -9872,6 +10136,12 @@ export interface AzureDataLakeStoreDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -9935,6 +10205,12 @@ export interface DynamicsEntityDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -9983,6 +10259,12 @@ export interface DocumentDbCollectionDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -10031,6 +10313,12 @@ export interface CustomDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -10078,6 +10366,12 @@ export interface CassandraTableDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -10131,6 +10425,12 @@ export interface AzureSqlDWTableDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -10179,6 +10479,12 @@ export interface AzureSqlTableDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -10227,6 +10533,12 @@ export interface AzureTableDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -10275,6 +10587,12 @@ export interface AzureBlobDataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -10343,6 +10661,12 @@ export interface AmazonS3Dataset {
    * DatasetDataElement.
    */
   structure?: any;
+  /**
+   * @member {any} [schema] Columns that define the physical type schema of the
+   * dataset. Type: array (or Expression with resultType array), itemType:
+   * DatasetSchemaDataElement.
+   */
+  schema?: any;
   /**
    * @member {LinkedServiceReference} linkedServiceName Linked service
    * reference.
@@ -12958,6 +13282,27 @@ export interface SSISExecutionParameter {
   value: any;
 }
 
+/**
+ * @interface
+ * An interface representing SSISExecutionCredential.
+ * SSIS package execution credential.
+ *
+ */
+export interface SSISExecutionCredential {
+  /**
+   * @member {any} domain Domain for windows authentication.
+   */
+  domain: any;
+  /**
+   * @member {any} userName UseName for windows authentication.
+   */
+  userName: any;
+  /**
+   * @member {SecureString} password Password for windows authentication.
+   */
+  password: SecureString;
+}
+
 /**
  * @interface
  * An interface representing SSISPackageLocation.
@@ -13028,6 +13373,11 @@ export interface ExecuteSSISPackageActivity {
    * package. Type: string (or Expression with resultType string).
    */
   environmentPath?: any;
+  /**
+   * @member {{ [propertyName: string]: SSISExecutionCredential }}
+   * [executionCredential] The package execution credential.
+   */
+  executionCredential?: { [propertyName: string]: SSISExecutionCredential };
   /**
    * @member {IntegrationRuntimeReference} connectVia The integration runtime
    * reference.
diff --git a/packages/@azure/arm-datafactory/lib/models/integrationRuntimesMappers.ts b/packages/@azure/arm-datafactory/lib/models/integrationRuntimesMappers.ts
index 1dc7276e43f3..36f539e2766a 100644
--- a/packages/@azure/arm-datafactory/lib/models/integrationRuntimesMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/integrationRuntimesMappers.ts
@@ -248,6 +248,7 @@ export {
   CustomActivityReferenceObject,
   ExecuteSSISPackageActivity,
   SSISPackageLocation,
+  SSISExecutionCredential,
   SSISExecutionParameter,
   SSISPropertyOverride,
   HDInsightSparkActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/linkedServicesMappers.ts b/packages/@azure/arm-datafactory/lib/models/linkedServicesMappers.ts
index 2ea3f23f85ef..6d84ec58f02b 100644
--- a/packages/@azure/arm-datafactory/lib/models/linkedServicesMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/linkedServicesMappers.ts
@@ -231,6 +231,7 @@ export {
   CustomActivityReferenceObject,
   ExecuteSSISPackageActivity,
   SSISPackageLocation,
+  SSISExecutionCredential,
   SSISExecutionParameter,
   SSISPropertyOverride,
   HDInsightSparkActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/mappers.ts b/packages/@azure/arm-datafactory/lib/models/mappers.ts
index dd5a02ffde8d..5694773a68b1 100644
--- a/packages/@azure/arm-datafactory/lib/models/mappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/mappers.ts
@@ -843,6 +843,12 @@ export const Dataset: msRest.CompositeMapper = {
           name: "Object"
         }
       },
+      schema: {
+        serializedName: "schema",
+        type: {
+          name: "Object"
+        }
+      },
       linkedServiceName: {
         required: true,
         serializedName: "linkedServiceName",
@@ -11480,6 +11486,40 @@ export const SSISExecutionParameter: msRest.CompositeMapper = {
   }
 };
 
+export const SSISExecutionCredential: msRest.CompositeMapper = {
+  serializedName: "SSISExecutionCredential",
+  type: {
+    name: "Composite",
+    className: "SSISExecutionCredential",
+    modelProperties: {
+      domain: {
+        required: true,
+        serializedName: "domain",
+        type: {
+          name: "Object"
+        }
+      },
+      userName: {
+        required: true,
+        serializedName: "userName",
+        type: {
+          name: "Object"
+        }
+      },
+      password: {
+        required: true,
+        serializedName: "password",
+        type: {
+          name: "Composite",
+          polymorphicDiscriminator: SecretBase.type.polymorphicDiscriminator,
+          uberParent: "SecretBase",
+          className: "SecureString"
+        }
+      }
+    }
+  }
+};
+
 export const SSISPackageLocation: msRest.CompositeMapper = {
   serializedName: "SSISPackageLocation",
   type: {
@@ -11532,6 +11572,18 @@ export const ExecuteSSISPackageActivity: msRest.CompositeMapper = {
           name: "Object"
         }
       },
+      executionCredential: {
+        serializedName: "typeProperties.executionCredential",
+        type: {
+          name: "Dictionary",
+          value: {
+            type: {
+              name: "Composite",
+              className: "SSISExecutionCredential"
+            }
+          }
+        }
+      },
       connectVia: {
         required: true,
         serializedName: "typeProperties.connectVia",
diff --git a/packages/@azure/arm-datafactory/lib/models/pipelinesMappers.ts b/packages/@azure/arm-datafactory/lib/models/pipelinesMappers.ts
index 8e2aa7dda423..4e04ac8b0e06 100644
--- a/packages/@azure/arm-datafactory/lib/models/pipelinesMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/pipelinesMappers.ts
@@ -232,6 +232,7 @@ export {
   CustomActivityReferenceObject,
   ExecuteSSISPackageActivity,
   SSISPackageLocation,
+  SSISExecutionCredential,
   SSISExecutionParameter,
   SSISPropertyOverride,
   HDInsightSparkActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/rerunTriggersMappers.ts b/packages/@azure/arm-datafactory/lib/models/rerunTriggersMappers.ts
index 1cfba53fdcd4..57be366644bf 100644
--- a/packages/@azure/arm-datafactory/lib/models/rerunTriggersMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/rerunTriggersMappers.ts
@@ -232,6 +232,7 @@ export {
   CustomActivityReferenceObject,
   ExecuteSSISPackageActivity,
   SSISPackageLocation,
+  SSISExecutionCredential,
   SSISExecutionParameter,
   SSISPropertyOverride,
   HDInsightSparkActivity,
diff --git a/packages/@azure/arm-datafactory/lib/models/triggersMappers.ts b/packages/@azure/arm-datafactory/lib/models/triggersMappers.ts
index a3dd2c7f6663..05ee1ad4c590 100644
--- a/packages/@azure/arm-datafactory/lib/models/triggersMappers.ts
+++ b/packages/@azure/arm-datafactory/lib/models/triggersMappers.ts
@@ -231,6 +231,7 @@ export {
   CustomActivityReferenceObject,
   ExecuteSSISPackageActivity,
   SSISPackageLocation,
+  SSISExecutionCredential,
   SSISExecutionParameter,
   SSISPropertyOverride,
   HDInsightSparkActivity,