diff --git a/scripts/delayed.js b/scripts/delayed.js
index 3ec6aebf..a08e3ec7 100644
--- a/scripts/delayed.js
+++ b/scripts/delayed.js
@@ -19,3 +19,21 @@ const analyticsConsent = localStorage.getItem('consent_status_ANALYTICS');
 if (analyticsConsent) {
   await analyticsSetConsent(analyticsConsent === 'ALLOW');
 }
+
+const mystique = async ({ detail }) => {
+  // const sk = detail.data;
+  // // your custom code from button.action goes here
+  console.log('Load Mystique here...', sk);
+};
+
+const sk = document.querySelector('helix-sidekick');
+if (sk) {
+  // sidekick already loaded
+  sk.addEventListener('custom:mystique', mystique);
+} else {
+  // wait for sidekick to be loaded
+  document.addEventListener('sidekick-ready', () => {
+    document.querySelector('helix-sidekick')
+      .addEventListener('custom:mystique', mystique);
+  }, { once: true });
+}
\ No newline at end of file
diff --git a/tools/sidekick/config.json b/tools/sidekick/config.json
index 346d2410..e0b181ff 100644
--- a/tools/sidekick/config.json
+++ b/tools/sidekick/config.json
@@ -24,6 +24,12 @@
       "passConfig": true,
       "environments": [ "preview", "live", "edit" ],
       "includePaths": ["**.docx**"]
+    },
+    {
+      "id": "mystique",
+      "title": "Mystique",
+      "event": "mystique",
+      "environments": [ "dev", "preview" ]
     }
   ]
 }