diff --git a/types/xrm/index.d.ts b/types/xrm/index.d.ts
index df0db06292..f921def497 100644
--- a/types/xrm/index.d.ts
+++ b/types/xrm/index.d.ts
@@ -3138,6 +3138,15 @@ declare namespace Xrm {
          *              appropriate.  Silverlight controls should use {@link SilverlightControl}.
          */
         interface FramedControl extends Control {
+            /**
+             * Returns the content window that represents an IFRAME or web resource.
+             * @returns A promise that contains a content window instance representing an IFRAME or web resource.
+             * @remarks This method is supported only on Unified Interface.  The implementer is expected to call
+             * a custom function within the returned window that will receive the Xrm and formContext objects as
+             * parameters.
+             */
+            getContentWindow(): Promise<Window>;
+
             /**
              * Gets the DOM element containing the control.
              * @returns The container object.