Update creating-the-widget-source.md

Plugins Development/creating-the-widget-source.md

@@ -109,12 +109,10 @@ Next, we need to make our widget html. The example provided just writes a simple
       });
 
       // When we get chat messages we want to append them to the chat log.
-      Koi.on("chat", (event) => {
+      Koi.on("rich_message", (event) => {
         // escapeHtml is a helper function that escapes HTML characters. It's provided by the loader.
         // Additionally, we replace all spaces with non-breaking spaces so they don't get broken up.
-        const html = `${event.sender.displayname} > ${escapeHtml(
-          event.message
-        ).replace(/ /g, "&nbsp;")}<br />`;
+        const html = `${event.sender.displayname} > ${event.html}<br />`;
 
         // Append it.
         chatLog.innerHTML += html;