diff --git a/docs/metrics.md b/docs/metrics.md
index 4a13647..648af7f 100644
--- a/docs/metrics.md
+++ b/docs/metrics.md
@@ -189,6 +189,45 @@ of a `testpilottest` telemetry ping for each scenario.
   }
 ```
 
+* The user chooses "Always Open in this Container" context menu option. (Note: We send two separate event names: one for assigning a site to a container, one for removing a site from a container.)
+
+```js
+  {
+    "uuid": <uuid>,
+    "userContextId": <userContextId>,
+    "event": "[added|removed]-container-assignment"
+  }
+```
+
+* Firefox prompts the user to reload a site into a container after the user picked "Always Open in this Container".
+
+```js
+  {
+    "uuid": <uuid>,
+    "userContextId": <userContextId>,
+    "event": "prompt-reload-page-in-container"
+  }
+```
+
+* The user clicks "Take me there" to reload a site into a container after the user picked "Always Open in this Container".
+
+```js
+  {
+    "uuid": <uuid>,
+    "event": "click-to-reload-page-in-container"
+  }
+```
+
+* Firefox automatically reloads a site into a container after the user picked "Always Open in this Container".
+
+```js
+  {
+    "uuid": <uuid>,
+    "userContextId": <userContextId>,
+    "event": "auto-reload-page-in-container"
+  }
+```
+
 ### A Redshift schema for the payload:
 
 ```lua
diff --git a/package.json b/package.json
index e34dd94..106488e 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "testpilot-containers",
   "title": "Containers Experiment",
   "description": "Containers works by isolating cookie jars using separate origin-attributes defined visually by colored ‘Container Tabs’. This add-on is a modified version of the containers feature for Firefox Test Pilot.",
-  "version": "2.1.0",
+  "version": "2.1.1",
   "author": "Andrea Marchesini, Luke Crouch and Jonathan Kingston",
   "bugs": {
     "url": "https://github.com/mozilla/testpilot-containers/issues"
diff --git a/webextension/background.js b/webextension/background.js
index c6dc283..bb70dac 100644
--- a/webextension/background.js
+++ b/webextension/background.js
@@ -115,6 +115,11 @@ const assignManager = {
             message: `Successfully ${actionName} site to always open in this container`,
             iconUrl: browser.extension.getURL("/img/onboarding-1.png")
           });
+          browser.runtime.sendMessage({
+            method: "sendTelemetryPayload",
+            event: `${actionName}-container-assignment`,
+            userContextId: userContextId,
+          });
           this.calculateContextMenu(tab);
         }).catch((e) => {
           throw e;
@@ -227,7 +232,17 @@ const assignManager = {
     // If the user has explicitly checked "Never Ask Again" on the warning page we will send them straight there
     if (neverAsk) {
       browser.tabs.create({url, cookieStoreId: `firefox-container-${userContextId}`, index});
+      browser.runtime.sendMessage({
+        method: "sendTelemetryPayload",
+        event: "auto-reload-page-in-container",
+        userContextId: userContextId,
+      });
     } else {
+      browser.runtime.sendMessage({
+        method: "sendTelemetryPayload",
+        event: "prompt-to-reload-page-in-container",
+        userContextId: userContextId,
+      });
       const confirmUrl = `${loadPage}?url=${url}`;
       browser.tabs.create({url: confirmUrl, cookieStoreId: `firefox-container-${userContextId}`, index}).then(() => {
         // We don't want to sync this URL ever nor clutter the users history
diff --git a/webextension/js/confirm-page.js b/webextension/js/confirm-page.js
index 19a64f9..feefba1 100644
--- a/webextension/js/confirm-page.js
+++ b/webextension/js/confirm-page.js
@@ -17,6 +17,10 @@ document.getElementById("redirect-form").addEventListener("submit", (e) => {
       // Can't really do much here user will have to click it again
     });
   }
+  browser.runtime.sendMessage({
+    method: "sendTelemetryPayload",
+    event: "click-to-reload-page-in-container",
+  });
   redirect();
 });
 
diff --git a/webextension/manifest.json b/webextension/manifest.json
index 675b179..a3f4c61 100644
--- a/webextension/manifest.json
+++ b/webextension/manifest.json
@@ -1,7 +1,7 @@
 {
   "manifest_version": 2,
   "name": "Containers Experiment",
-  "version": "2.1.0",
+  "version": "2.1.1",
 
   "description": "Containers works by isolating cookie jars using separate origin-attributes defined visually by colored ‘Container Tabs’. This add-on is a modified version of the containers feature for Firefox Test Pilot.",
   "icons": {