diff --git a/theme/boost/classes/privacy/provider.php b/theme/boost/classes/privacy/provider.php
index bf755b73fa0..379e50b546d 100644
--- a/theme/boost/classes/privacy/provider.php
+++ b/theme/boost/classes/privacy/provider.php
@@ -24,23 +24,55 @@
 
 namespace theme_boost\privacy;
 
+use \core_privacy\local\metadata\collection;
+
 defined('MOODLE_INTERNAL') || die();
 
 /**
- * The boost theme does not store any data.
+ * The boost theme stores a user preference data.
  *
  * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
-class provider implements \core_privacy\local\metadata\null_provider {
+class provider implements
+    // This plugin has data.
+    \core_privacy\local\metadata\provider,
+    // This plugin has some sitewide user preferences to export.
+    \core_privacy\local\request\user_preference_provider {
+
+    /** The user preference for the navigation drawer. */
+    const DRAWER_OPEN_NAV = 'drawer-open-nav';
 
     /**
-     * Get the language string identifier with the component's language
-     * file to explain why this plugin stores no data.
+     * Returns meta data about this system.
      *
-     * @return  string
+     * @param  collection $items The initialised item collection to add items to.
+     * @return collection A listing of user data stored through this system.
      */
-    public static function get_reason() : string {
-        return 'privacy:metadata';
+    public static function get_metadata(collection $items) : collection {
+        $items->add_user_preference(self::DRAWER_OPEN_NAV, 'privacy:metadata:preference:draweropennav');
+        return $items;
+    }
+
+    /**
+     * Store all user preferences for the plugin.
+     *
+     * @param int $userid The userid of the user whose data is to be exported.
+     */
+    public static function export_user_preferences(int $userid) {
+        $draweropennavpref = get_user_preferences(self::DRAWER_OPEN_NAV, null, $userid);
+
+        if (isset($draweropennavpref)) {
+            $preferencestring = get_string('privacy:drawernavclosed', 'theme_boost');
+            if ($draweropennavpref == 'true') {
+                $preferencestring = get_string('privacy:drawernavopen', 'theme_boost');
+            }
+            \core_privacy\local\request\writer::export_user_preference(
+                'theme_boost',
+                self::DRAWER_OPEN_NAV,
+                $draweropennavpref,
+                $preferencestring
+            );
+        }
     }
 }
diff --git a/theme/boost/lang/en/theme_boost.php b/theme/boost/lang/en/theme_boost.php
index 2f3b9906e69..627ccf71f79 100644
--- a/theme/boost/lang/en/theme_boost.php
+++ b/theme/boost/lang/en/theme_boost.php
@@ -49,3 +49,6 @@ $string['rawscss_desc'] = 'Use this field to provide SCSS or CSS code which will
 $string['rawscsspre'] = 'Raw initial SCSS';
 $string['rawscsspre_desc'] = 'In this field you can provide initialising SCSS code, it will be injected before everything else. Most of the time you will use this setting to define variables.';
 $string['region-side-pre'] = 'Right';
+$string['privacy:metadata:preference:draweropennav'] = 'The user\'s preference for hiding or showing the drawer menu navigation.';
+$string['privacy:drawernavclosed'] = 'The current preference for the navigation drawer is closed.';
+$string['privacy:drawernavopen'] = 'The current preference for the navigation drawer is open.';
diff --git a/theme/boost/tests/privacy_test.php b/theme/boost/tests/privacy_test.php
new file mode 100644
index 00000000000..6df617f9c97
--- /dev/null
+++ b/theme/boost/tests/privacy_test.php
@@ -0,0 +1,78 @@
+<?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/>.
+
+/**
+ * Privacy tests for theme_boost.
+ *
+ * @package    theme_boost
+ * @category   test
+ * @copyright  2018 Adrian Greeve <adriangreeve.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+use \theme_boost\privacy\provider;
+
+/**
+ * Unit tests for theme_boost/classes/privacy/policy
+ *
+ * @copyright  2018 Adrian Greeve <adriangreeve.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class theme_boost_privacy_testcase extends \core_privacy\tests\provider_testcase {
+
+    /**
+     * Test for provider::test_export_user_preferences().
+     */
+    public function test_export_user_preferences() {
+        $this->resetAfterTest();
+
+        // Test setup.
+        $user = $this->getDataGenerator()->create_user();
+        $this->setUser($user);
+
+        // Add a user home page preference for the User.
+        set_user_preference(provider::DRAWER_OPEN_NAV, 'false', $user);
+
+        // Test the user preferences export contains 1 user preference record for the User.
+        provider::export_user_preferences($user->id);
+        $contextuser = context_user::instance($user->id);
+        $writer = \core_privacy\local\request\writer::with_context($contextuser);
+        $this->assertTrue($writer->has_any_data());
+
+        $exportedpreferences = $writer->get_user_preferences('theme_boost');
+        $this->assertCount(1, (array) $exportedpreferences);
+        $this->assertEquals('false', $exportedpreferences->{provider::DRAWER_OPEN_NAV}->value);
+        $this->assertEquals(get_string('privacy:drawernavclosed', 'theme_boost'),
+                $exportedpreferences->{provider::DRAWER_OPEN_NAV}->description);
+
+        // Add a user home page preference for the User.
+        set_user_preference(provider::DRAWER_OPEN_NAV, 'true', $user);
+
+        // Test the user preferences export contains 1 user preference record for the User.
+        provider::export_user_preferences($user->id);
+        $contextuser = context_user::instance($user->id);
+        $writer = \core_privacy\local\request\writer::with_context($contextuser);
+        $this->assertTrue($writer->has_any_data());
+
+        $exportedpreferences = $writer->get_user_preferences('theme_boost');
+        $this->assertCount(1, (array) $exportedpreferences);
+        $this->assertEquals('true', $exportedpreferences->{provider::DRAWER_OPEN_NAV}->value);
+        $this->assertEquals(get_string('privacy:drawernavopen', 'theme_boost'),
+                $exportedpreferences->{provider::DRAWER_OPEN_NAV}->description);
+    }
+}