diff --git a/admin/tool/monitor/classes/notification_task.php b/admin/tool/monitor/classes/notification_task.php
new file mode 100644
index 00000000000..ffb1f4a6b57
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+++ b/admin/tool/monitor/classes/notification_task.php
@@ -0,0 +1,118 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * This file defines an adhoc task to send notifications.
+ *
+ * @package    tool_monitor
+ * @copyright  2014 onwards Ankit Agarwal <ankit.agrr@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace tool_monitor;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Adhock class, used to send notifications to users.
+ *
+ * @since      Moodle 2.8
+ * @package    tool_monitor
+ * @copyright  2014 onwards Ankit Agarwal <ankit.agrr@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class notification_task extends \core\task\adhoc_task {
+
+    /**
+     * Send out messages.
+     */
+    public function execute() {
+        foreach ($this->get_custom_data() as $data) {
+            $eventobj = $data->event;
+            $subscriptionids = $data->subscriptionids;
+            foreach ($subscriptionids as $id) {
+                if ($message = $this->generate_message($id, $eventobj)) {
+                    message_send($message);
+                }
+            }
+        }
+    }
+
+    /**
+     * Generates the message object for a give subscription and event.
+     *
+     * @param int $subscriptionid Subscription instance
+     * @param \stdClass $eventobj Event data
+     *
+     * @return false|\stdClass message object
+     */
+    protected function generate_message($subscriptionid, \stdClass $eventobj) {
+
+        try {
+            $subscription = subscription_manager::get_subscription($subscriptionid);
+        } catch (\dml_exception $e) {
+            // Race condition, someone deleted the subscription.
+            return false;
+        }
+        $user = \core_user::get_user($subscription->userid);
+        $context = \context_user::instance($user->id, IGNORE_MISSING);
+        if ($context === false) {
+            // User context doesn't exist. Should never happen, nothing to do return.
+            return false;
+        }
+
+        $template = $subscription->template;
+        $template = $this->replace_placeholders($template, $subscription, $eventobj, $context);
+        $msgdata = new \stdClass();
+        $msgdata->component         = 'tool_monitor'; // Your component name.
+        $msgdata->name              = 'notification'; // This is the message name from messages.php.
+        $msgdata->userfrom          = \core_user::get_noreply_user();
+        $msgdata->userto            = $user;
+        $msgdata->subject           = $subscription->get_name($context);
+        $msgdata->fullmessage       = format_text($template, $subscription->templateformat, array('context' => $context));
+        $msgdata->fullmessageformat = $subscription->templateformat;
+        $msgdata->fullmessagehtml   = format_text($template, $subscription->templateformat, array('context' => $context));
+        $msgdata->smallmessage      = '';
+        $msgdata->notification      = 1; // This is only set to 0 for personal messages between users.
+
+        return $msgdata;
+    }
+
+    /**
+     * Replace place holders in the template with respective content.
+     *
+     * @param string $template Message template.
+     * @param subscription $subscription subscription instance
+     * @param \stdclass $eventobj Event data
+     * @param \context $context context object
+     *
+     * @return mixed final template string.
+     */
+    protected function replace_placeholders($template, subscription $subscription, $eventobj, $context) {
+        $template = str_replace('{link}', $eventobj->link, $template);
+        if ($eventobj->contextlevel == CONTEXT_MODULE && !empty($eventobj->contextinstanceid)
+            && (strpos($template, '{modulelink}') !== false)) {
+            $cm = get_fast_modinfo($eventobj->courseid)->get_cm($eventobj->contextinstanceid);
+            $modulelink = $cm->url;
+            $template = str_replace('{modulelink}', $modulelink, $template);
+        }
+        $template = str_replace('{rulename}', $subscription->get_name($context), $template);
+        $template = str_replace('{description}', $subscription->get_description($context), $template);
+        $template = str_replace('{eventname}', $subscription->get_event_name(), $template);
+
+        return $template;
+    }
+}