diff --git a/lib/services/datafactoryManagement/LICENSE.txt b/lib/services/datafactoryManagement/LICENSE.txt
index 5431ba98b9..8f3d856145 100644
--- a/lib/services/datafactoryManagement/LICENSE.txt
+++ b/lib/services/datafactoryManagement/LICENSE.txt
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2018 Microsoft
+Copyright (c) 2019 Microsoft
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/lib/services/datafactoryManagement/lib/models/executeSSISPackageActivity.js b/lib/services/datafactoryManagement/lib/models/executeSSISPackageActivity.js
index c1ae10472f..37f7211be2 100644
--- a/lib/services/datafactoryManagement/lib/models/executeSSISPackageActivity.js
+++ b/lib/services/datafactoryManagement/lib/models/executeSSISPackageActivity.js
@@ -21,13 +21,15 @@ class ExecuteSSISPackageActivity extends models['ExecutionActivity'] {
   /**
    * Create a ExecuteSSISPackageActivity.
    * @property {object} packageLocation SSIS package location.
-   * @property {string} [packageLocation.packagePath] The SSIS package path.
-   * @property {string} [runtime] Specifies the runtime to execute SSIS
-   * package. Possible values include: 'x64', 'x86'
-   * @property {string} [loggingLevel] The logging level of SSIS package
-   * execution.
-   * @property {string} [environmentPath] The environment path to execute the
-   * SSIS package.
+   * @property {object} [packageLocation.packagePath] The SSIS package path.
+   * Type: string (or Expression with resultType string).
+   * @property {object} [runtime] Specifies the runtime to execute SSIS
+   * package. The value should be "x86" or "x64". Type: string (or Expression
+   * with resultType string).
+   * @property {object} [loggingLevel] The logging level of SSIS package
+   * execution. Type: string (or Expression with resultType string).
+   * @property {object} [environmentPath] The environment path to execute the
+   * SSIS package. Type: string (or Expression with resultType string).
    * @property {object} connectVia The integration runtime reference.
    * @property {string} [connectVia.referenceName] Reference integration
    * runtime name.
@@ -171,21 +173,21 @@ class ExecuteSSISPackageActivity extends models['ExecutionActivity'] {
             required: false,
             serializedName: 'typeProperties.runtime',
             type: {
-              name: 'String'
+              name: 'Object'
             }
           },
           loggingLevel: {
             required: false,
             serializedName: 'typeProperties.loggingLevel',
             type: {
-              name: 'String'
+              name: 'Object'
             }
           },
           environmentPath: {
             required: false,
             serializedName: 'typeProperties.environmentPath',
             type: {
-              name: 'String'
+              name: 'Object'
             }
           },
           connectVia: {
diff --git a/lib/services/datafactoryManagement/lib/models/index.d.ts b/lib/services/datafactoryManagement/lib/models/index.d.ts
index 74aaa2b909..66a7c6c24d 100644
--- a/lib/services/datafactoryManagement/lib/models/index.d.ts
+++ b/lib/services/datafactoryManagement/lib/models/index.d.ts
@@ -6272,9 +6272,9 @@ export interface SSISExecutionParameter {
  */
 export interface SSISPackageLocation {
   /**
-   * The SSIS package path.
+   * The SSIS package path. Type: string (or Expression with resultType string).
    */
-  packagePath: string;
+  packagePath: any;
 }
 
 /**
@@ -6286,17 +6286,20 @@ export interface ExecuteSSISPackageActivity extends ExecutionActivity {
    */
   packageLocation: SSISPackageLocation;
   /**
-   * Specifies the runtime to execute SSIS package. Possible values include: 'x64', 'x86'
+   * Specifies the runtime to execute SSIS package. The value should be "x86" or "x64". Type:
+   * string (or Expression with resultType string).
    */
-  runtime?: string;
+  runtime?: any;
   /**
-   * The logging level of SSIS package execution.
+   * The logging level of SSIS package execution. Type: string (or Expression with resultType
+   * string).
    */
-  loggingLevel?: string;
+  loggingLevel?: any;
   /**
-   * The environment path to execute the SSIS package.
+   * The environment path to execute the SSIS package. Type: string (or Expression with resultType
+   * string).
    */
-  environmentPath?: string;
+  environmentPath?: any;
   /**
    * The integration runtime reference.
    */
diff --git a/lib/services/datafactoryManagement/lib/models/sSISPackageLocation.js b/lib/services/datafactoryManagement/lib/models/sSISPackageLocation.js
index 03d330ff6b..fa4e5f9b02 100644
--- a/lib/services/datafactoryManagement/lib/models/sSISPackageLocation.js
+++ b/lib/services/datafactoryManagement/lib/models/sSISPackageLocation.js
@@ -17,7 +17,8 @@
 class SSISPackageLocation {
   /**
    * Create a SSISPackageLocation.
-   * @property {string} packagePath The SSIS package path.
+   * @property {object} packagePath The SSIS package path. Type: string (or
+   * Expression with resultType string).
    */
   constructor() {
   }
@@ -40,7 +41,7 @@ class SSISPackageLocation {
             required: true,
             serializedName: 'packagePath',
             type: {
-              name: 'String'
+              name: 'Object'
             }
           }
         }