diff --git a/src/embed/iframeSizer.js b/src/embed/iframeSizer.js
index c92b43f24..cebf96ed4 100644
--- a/src/embed/iframeSizer.js
+++ b/src/embed/iframeSizer.js
@@ -32,7 +32,7 @@ export function informSize(
   update();
 }
 
-export function setupResizeEvent(iframe) {
+export function setupResizeEvent(iframe, cb) {
   window.addEventListener("message", (event) => {
     if (event.source == iframe.contentWindow) {
       const { width, height, updateStyleProps } = event.data;
@@ -67,6 +67,7 @@ export function setupResizeEvent(iframe) {
             iframe.style.minHeight = "" + height + "px";
           }
         }
+        if (cb) cb({ el: iframe });
       }
     }
   });
diff --git a/src/embed/noteLoader.js b/src/embed/noteLoader.js
index 9a50732b6..22c86995d 100644
--- a/src/embed/noteLoader.js
+++ b/src/embed/noteLoader.js
@@ -3,7 +3,7 @@ import { APP_URL } from "../config/embed.js";
 
 const enhanced = "DC-embed-enhanced";
 
-function loadNote(src) {
+function loadNote(src, opts) {
   const parts = src.split("/").slice(-3);
   if (parts.length != 3) return;
   const slugId = parts[0];
@@ -23,7 +23,7 @@ function loadNote(src) {
     const iframe = document.createElement("iframe");
     iframe.style = "border: none; width: 100%;";
     iframe.src = new URL(`documents/${id}/annotations/${noteId}`, APP_URL).href;
-    setupResizeEvent(iframe);
+    setupResizeEvent(iframe, opts && opts.afterLoad ? opts.afterLoad : null);
 
     noteElem.appendChild(iframe);
   });