diff --git a/components/lib/confirmationoptions/ConfirmationOptions.d.ts b/components/lib/confirmationoptions/ConfirmationOptions.d.ts
index 7696ab0c8..c99a3d010 100644
--- a/components/lib/confirmationoptions/ConfirmationOptions.d.ts
+++ b/components/lib/confirmationoptions/ConfirmationOptions.d.ts
@@ -49,6 +49,10 @@ export interface ConfirmationOptions {
      * Callback to execute when action is rejected.
      */
     reject?: () => void;
+    /**
+     * Callback to execute when dialog is visible.
+     */
+    onShow?: () => void;
     /**
      * Callback to execute when dialog is hidden.
      */