diff --git a/types/xrm/index.d.ts b/types/xrm/index.d.ts
index a1690e0122..df0db06292 100644
--- a/types/xrm/index.d.ts
+++ b/types/xrm/index.d.ts
@@ -4423,12 +4423,83 @@ declare namespace Xrm {
              */
             roleType?: XrmEnum.RoleType;
         }
+
+        interface PageInputEntityList {
+            pageType: "entitylist";
+            /**
+             * The logical name of the entity to load in the list control.
+             * */
+            entityName: string;
+            /**
+             * The ID of the view to load. If you don't specify it, navigates to the default main view for the entity.
+             * */
+            viewId?: string;
+            /**
+             * Type of view to load. Specify "savedquery" or "userquery".
+             * */
+            viewType?: "savedquery" |"userquery";
+        }
+
+        interface PageInputHtmlWebResource {
+            pageType: "webresource";
+            /**
+             * The name of the web resource to load.
+             * */
+            webresourceName: string;
+            /**
+             * The data to pass to the web resource.
+             * */
+            data?: string;
+        }
+
+        /**
+         * Options for navigating to a page: whether to open inline or in a dialog. If you don't specify this parameter, page is opened inline by default.
+         * */
+        interface NavigationOptions {
+            /**
+             * Specify 1 to open the page inline; 2 to open the page in a dialog.
+             * Entity lists can only be opened inline; web resources can be opened either inline or in a dialog.
+             * */
+            target: 1 | 2;
+            /**
+             * The width of dialog. To specify the width in pixels, just type a numeric value. To specify the width in percentage, specify an object of type
+             * */
+            width?: number | NavigationOptions.SizeValue;
+            /**
+            * The width of dialog. To specify the width in pixels, just type a numeric value. To specify the width in percentage, specify an object of type
+            * */
+            height?: number | NavigationOptions.SizeValue;
+            /**
+             * Specify 1 to open the dialog in center; 2 to open the dialog on the side. Default is 1 (center).
+             * */
+            position?: 1 | 2;
+        }
+
+        namespace NavigationOptions {
+            interface SizeValue {
+                /**
+                 * The numerical value
+                 * */
+                value: number;
+                /**
+                 * The unit of measurement. Specify "%" or "px". Default value is "px"
+                 * */
+                unit: "%" | "px";
+            }
+        }
     }
 
     /**
      * Interface for the Xrm.Navigation API
      */
     interface Navigation {
+        /**
+         * Navigates to the specified page.
+         * @param pageInput Input about the page to navigate to. The object definition changes depending on the type of page to navigate to: entity list or HTML web resource.
+         * @param navigationOptions Options for navigating to a page: whether to open inline or in a dialog. If you don't specify this parameter, page is opened inline by default.
+         */
+        navigateTo(pageInput: Navigation.PageInputEntityList | Navigation.PageInputHtmlWebResource, navigationOptions?: Navigation.NavigationOptions): Async.PromiseLike<any>;
+
         /**
          * Displays an alert dialog containing a message and a button.
          * @param alertStrings The strings to be used in the alert dialog.