diff --git a/classes/event/sortvoting_vote.php b/classes/event/sortvoting_vote.php
new file mode 100644
index 0000000..4261c13
--- /dev/null
+++ b/classes/event/sortvoting_vote.php
@@ -0,0 +1,72 @@
+<?php
+// This file is part of the mod_sortvoting plugin for 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/>.
+
+namespace mod_sortvoting\event;
+
+/**
+ * Event sortvoting_vote
+ *
+ * @package    mod_sortvoting
+ * @copyright  2024 Odei Alba <odeialba@odeialba.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class sortvoting_vote extends \core\event\base {
+
+    /**
+     * Set basic properties for the event.
+     */
+    protected function init() {
+        $this->data['crud'] = 'u';
+        $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
+        $this->data['objecttable'] = 'sortvoting';
+    }
+
+    /**
+     * Summary of get_objectid_mapping
+     * @return array<string>
+     */
+    public static function get_objectid_mapping() {
+        return ['db' => 'sortvoting', 'restore' => 'sortvoting'];
+    }
+
+    /**
+     * Returns description of what happened.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return "The user with id '$this->userid' voted or updated the vote for the SortVoting activity with the " .
+            "course module id '$this->contextinstanceid'.";
+    }
+
+    /**
+     * Returns localised general event name.
+     *
+     * @return string
+     */
+    public static function get_name() {
+        return get_string('eventvoteupdated', 'mod_sortvoting');
+    }
+
+    /**
+     * Returns relevant URL.
+     *
+     * @return \moodle_url
+     */
+    public function get_url() {
+        return new \moodle_url('/mod/sortvoting/view.php', ['id' => $this->contextinstanceid]);
+    }
+}
diff --git a/classes/output/mobile.php b/classes/output/mobile.php
index 64fab4d..71f8143 100644
--- a/classes/output/mobile.php
+++ b/classes/output/mobile.php
@@ -104,6 +104,11 @@ public static function mobile_sort_voting_view($args): array {
             'votes' => $existingvotes,
         ];
 
+        // Completion and trigger events.
+        $course = $DB->get_record('course', ['id' => $cm->course], '*', MUST_EXIST);
+        $modulecontext = context_module::instance($cm->id);
+        sortvoting_view($sortvoting, $course, $cm, $modulecontext);
+
         return [
             'templates' => [
                 [
diff --git a/lang/en/sortvoting.php b/lang/en/sortvoting.php
index 4529e08..57ccf51 100644
--- a/lang/en/sortvoting.php
+++ b/lang/en/sortvoting.php
@@ -37,6 +37,7 @@
 $string['completiondetail:submit'] = 'Submit vote';
 $string['completionsubmit'] = 'Student must submit a vote to complete this activity';
 $string['errorduplicatedposition'] = 'All positions must be unique.';
+$string['eventvoteupdated'] = 'Vote saved/updated';
 $string['instructions'] = 'Change the options below into the desired order, so your preferred choice is at the top and your least favourite choice is at the bottom.';
 $string['modulename'] = 'Preference Sort Voting';
 $string['modulenameplural'] = 'Preference Sort Votings';
diff --git a/lib.php b/lib.php
index 60a1e3e..48215c6 100644
--- a/lib.php
+++ b/lib.php
@@ -236,8 +236,9 @@ function sortvoting_user_submit_response($sortvoting, array $votes, $course, $cm
     // Save votes in sortvoting_answers table.
     $DB->insert_records('sortvoting_answers', $answers);
 
-    // Update completion state.
-    sortvoting_update_completion($sortvoting, $course, $cm);
+    // Completion and trigger events.
+    $modulecontext = context_module::instance($cm->id);
+    sortvoting_vote($sortvoting, $course, $cm, $modulecontext);
 }
 
 /**
@@ -535,6 +536,30 @@ function sortvoting_view($sortvoting, $course, $cm, $context) {
     $completion->set_module_viewed($cm);
 }
 
+/**
+ * Mark the activity completed (if required) and trigger the sortvoting_vote event.
+ *
+ * @param  stdClass $sortvoting sortvoting object
+ * @param  stdClass $course     course object
+ * @param  stdClass $cm         course module object
+ * @param  stdClass $context    context object
+ */
+function sortvoting_vote($sortvoting, $course, $cm, $context) {
+    // Trigger sortvoting_vote event.
+    $params = [
+        'objectid' => $sortvoting->id,
+        'context' => $context,
+    ];
+    $event = \mod_sortvoting\event\sortvoting_vote::create($params);
+    $event->add_record_snapshot('course_modules', $cm);
+    $event->add_record_snapshot('course', $course);
+    $event->add_record_snapshot('sortvoting', $sortvoting);
+    $event->trigger();
+
+    // Completion update.
+    sortvoting_update_completion($sortvoting, $course, $cm);
+}
+
 /**
  * This function extends the settings navigation block for the site.
  *