diff --git a/examples/multi_curl_stop.php b/examples/multi_curl_stop.php
index e0b1698..bfb97e8 100644
--- a/examples/multi_curl_stop.php
+++ b/examples/multi_curl_stop.php
@@ -5,10 +5,8 @@ use Curl\MultiCurl;
 
 $multi_curl = new MultiCurl();
 
-// Count the number of completed requests.
-$request_count = 0;
-$multi_curl->complete(function ($instance) use (&$request_count) {
-    $request_count += 1;
+$multi_curl->beforeSend(function ($instance) {
+    echo 'about to make request ' . $instance->id . ': "' . $instance->url . '".' . "\n";
 });
 
 $multi_curl->success(function ($instance) use (&$request_count, $multi_curl) {
@@ -19,6 +17,17 @@ $multi_curl->success(function ($instance) use (&$request_count, $multi_curl) {
     $multi_curl->stop();
 });
 
+$multi_curl->error(function ($instance) {
+    echo 'call to "' . $instance->url . '" was unsuccessful.' . "\n";
+});
+
+// Count the number of completed requests.
+$request_count = 0;
+$multi_curl->complete(function ($instance) use (&$request_count) {
+    echo 'call to "' . $instance->url . '" completed.' . "\n";
+    $request_count += 1;
+});
+
 $multi_curl->addGet('https://httpbin.org/delay/4');
 $multi_curl->addGet('https://httpbin.org/delay/1');
 $multi_curl->addGet('https://httpbin.org/delay/3');