diff --git a/mod/bigbluebuttonbn/classes/extension.php b/mod/bigbluebuttonbn/classes/extension.php
index dff3546f33f2a..9eeed82960175 100644
--- a/mod/bigbluebuttonbn/classes/extension.php
+++ b/mod/bigbluebuttonbn/classes/extension.php
@@ -19,6 +19,7 @@
 use cm_info;
 use mod_bigbluebuttonbn\local\extension\action_url_addons;
 use mod_bigbluebuttonbn\local\extension\custom_completion_addons;
+use mod_bigbluebuttonbn\local\extension\gradebook_addons;
 use mod_bigbluebuttonbn\local\extension\mod_form_addons;
 use mod_bigbluebuttonbn\local\extension\mod_instance_helper;
 use stdClass;
@@ -217,4 +218,23 @@ public static function delete_instance(int $id): void {
             $fmclass->delete_instance($id);
         }
     }
+
+    /**
+     * Get all gradebook addons classes.
+     *
+     * @return array of gradebook addon classes.
+     */
+    public static function gradebook_addons_classes(): array {
+        return self::get_classes_implementing(gradebook_addons::class);
+    }
+
+    /**
+     * Get all gradebook addons classes instances
+     *
+     * @param stdClass|null $modinstance
+     * @return array of gradebook addon classes instances
+     */
+    public static function gradebook_addons_instances(stdClass $modinstance): array {
+        return self::get_instances_implementing(gradebook_addons::class, [$modinstance]);
+    }
 }
diff --git a/mod/bigbluebuttonbn/classes/local/extension/gradebook_addons.php b/mod/bigbluebuttonbn/classes/local/extension/gradebook_addons.php
new file mode 100644
index 0000000000000..6c5bd7a50ccbe
--- /dev/null
+++ b/mod/bigbluebuttonbn/classes/local/extension/gradebook_addons.php
@@ -0,0 +1,55 @@
+<?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/>.
+
+namespace mod_bigbluebuttonbn\local\extension;
+
+use stdClass;
+use mod_bigbluebuttonbn\instance;
+
+/**
+ * A class to deal with broker addons in a subplugin
+ *
+ * @package   mod_bigbluebuttonbn
+ * @copyright 2024 onwards, Blindside Networks Inc
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @author    Jesus Federico  (jesus [at] blindsidenetworks [dt] com)
+ */
+abstract class broker_meeting_events_addons {
+
+    /**
+     * @var stdClass $modinstance The instance of the activity in the database
+     */
+    protected $modinstance;
+
+    /**
+     * Constructor
+     *
+     * @param instance $instance BigBlueButton instance
+     */
+    public function __construct(stdClass $modinstance) {
+        $this->modinstance = $modinstance;
+    }
+
+    /**
+     * Update the grade item for a given activity
+     */
+    abstract public function grade_item_update($grades=NULL);
+
+    /**
+     * Update the grade(s) for the supplied user
+     */
+    abstract public function update_grades($userid=0, $nullifnone=true);
+}
diff --git a/mod/bigbluebuttonbn/lib.php b/mod/bigbluebuttonbn/lib.php
index e7c649ba2714b..bad7251c22a62 100644
--- a/mod/bigbluebuttonbn/lib.php
+++ b/mod/bigbluebuttonbn/lib.php
@@ -72,7 +72,7 @@ function bigbluebuttonbn_supports($feature) {
         FEATURE_BACKUP_MOODLE2 => true,
         FEATURE_COMPLETION_TRACKS_VIEWS => true,
         FEATURE_COMPLETION_HAS_RULES => true,
-        FEATURE_GRADE_HAS_GRADE => false,
+        FEATURE_GRADE_HAS_GRADE => true,
         FEATURE_GRADE_OUTCOMES => false,
         FEATURE_SHOW_DESCRIPTION => true,
         FEATURE_MOD_PURPOSE => MOD_PURPOSE_COMMUNICATION,
@@ -279,6 +279,42 @@ function bigbluebuttonbn_get_extra_capabilities() {
     return ['moodle/site:accessallgroups'];
 }
 
+/**
+ * Create grade item for given activity.
+ *
+ * @param stdClass $bigbluebuttonbn record with extra cmidnumber
+ * @param array $grades optional array/object of grade(s); 'reset' means reset grades in gradebook
+ * @return int 0 if ok, error code otherwise
+ */
+function bigbluebuttonbn_grade_item_update($bigbluebuttonbn, $grades=null) {
+    global $CFG;
+    require_once($CFG->libdir.'/gradelib.php');
+
+    // Hooks for extensions.
+    $extensions = extension::gradebook_addons_instances($bigbluebuttonbn);
+    foreach ($extensions as $extension) {
+        $extension->grade_item_update($grades);
+    }
+}
+
+/**
+ * Update activity grades.
+ *
+ * @param stdClass $bigbluebuttonbn database record
+ * @param int $userid specific user only, 0 means all
+ * @param bool $nullifnone - not used
+ */
+function bigbluebuttonbn_update_grades($bigbluebuttonbn, $userid=0, $nullifnone=true) {
+    global $CFG;
+    require_once($CFG->libdir.'/gradelib.php');
+
+    // Hooks for extensions.
+    $extensions = extension::gradebook_addons_instances($bigbluebuttonbn);
+    foreach ($extensions as $extension) {
+        $extension->update_grades($userid, $nullifnone);
+    }
+}
+
 /**
  * Called by course/reset.php
  *