diff --git a/backup/moodle2/backup_plagiarism_pchkorg_plugin.class.php b/backup/moodle2/backup_plagiarism_pchkorg_plugin.class.php
new file mode 100644
index 0000000..af05379
--- /dev/null
+++ b/backup/moodle2/backup_plagiarism_pchkorg_plugin.class.php
@@ -0,0 +1,88 @@
+<?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/>.
+
+defined('MOODLE_INTERNAL') || die();
+
+class backup_plagiarism_pchkorg_plugin extends backup_plagiarism_plugin {
+    /**
+     * define_module_plugin_structure
+     *
+     * @return mixed
+     */
+    public function define_module_plugin_structure() {
+        // Define the virtual plugin element without conditions as the global class checks already.
+        $plugin = $this->get_plugin_element();
+
+        // Create one standard named plugin element (the visible container).
+        $pluginwrapper = new backup_nested_element($this->get_recommended_name());
+
+        // Connect the visible container ASAP.
+        $plugin->add_child($pluginwrapper);
+
+        $configs = new backup_nested_element('pchkorg_configs');
+        $config = new backup_nested_element('pchkorg_config', ['id'], ['name', 'value']);
+        $pluginwrapper->add_child($configs);
+        $configs->add_child($config);
+        $config->set_source_table('plagiarism_pchkorg_config', ['cm' => backup::VAR_PARENTID]);
+
+        // Now information about files to module.
+        $ufiles = new backup_nested_element('pchkorg_files');
+        $ufile = new backup_nested_element('pchkorg_file', ['id'], [
+            'cm', 'fileid', 'userid', 
+            'state', 'score', 'created_at', 
+            'textid', 'reportid', 'signature', 
+            'attempt', 'itemid'
+        ]);
+
+        $pluginwrapper->add_child($ufiles);
+        $ufiles->add_child($ufile);
+
+        // To know if we are including userinfo.
+        $userinfo = $this->get_setting_value('userinfo');
+        if ($userinfo) {
+            $ufile->set_source_table('plagiarism_pchkorg_files', ['cm' => backup::VAR_PARENTID]);
+        }
+
+        return $plugin;
+    }
+
+    /**
+     * define_course_plugin_structure
+     *
+     * @return mixed
+     */
+    public function define_course_plugin_structure() {
+        // Define the virtual plugin element without conditions as the global class checks already.
+        $plugin = $this->get_plugin_element();
+
+        // Create one standard named plugin element (the visible container).
+        $pluginwrapper = new backup_nested_element($this->get_recommended_name());
+
+        // Connect the visible container ASAP.
+        $plugin->add_child($pluginwrapper);
+        // Save id from pchkorg course.
+        $unconfigs = new backup_nested_element('pchkorg_configs');
+        $unconfig = new backup_nested_element('pchkorg_config', ['id'], ['plugin', 'name', 'value']);
+        $pluginwrapper->add_child($unconfigs);
+        $unconfigs->add_child($unconfig);
+        $unconfig->set_source_table('config_plugins', [
+            'name' => backup::VAR_PARENTID, 'plugin' => 'plagiarism',
+        ]);
+
+        return $plugin;
+    }
+}
diff --git a/backup/moodle2/restore_plagiarism_pchkorg_plugin.class.php b/backup/moodle2/restore_plagiarism_pchkorg_plugin.class.php
new file mode 100644
index 0000000..340055a
--- /dev/null
+++ b/backup/moodle2/restore_plagiarism_pchkorg_plugin.class.php
@@ -0,0 +1,74 @@
+<?php
+
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+defined('MOODLE_INTERNAL') || die();
+
+class restore_plagiarism_pchkorg_plugin extends restore_plagiarism_plugin {
+
+    public function process_pchkorgconfig($data) {
+        $data = (object) $data;
+
+        set_config($this->task->get_courseid(), $data->value, $data->plugin);
+    }
+
+
+    public function process_pchkorgconfigmod($data) {
+        global $DB;
+
+        $data = (object) $data;
+        $data->cm = $this->task->get_moduleid();
+
+        $DB->insert_record('plagiarism_pchkorg_config', $data);
+    }
+
+    public function process_pchkorgfiles($data) {
+        global $DB;
+
+        $data = (object) $data;
+        $data->cm = $this->task->get_moduleid();
+        $data->userid = $this->get_mappingid('user', $data->userid);
+
+        $DB->insert_record('plagiarism_pchkorg_files', $data);
+    }
+
+
+    protected function define_course_plugin_structure() {
+        $paths = [];
+
+        // Add own format stuff.
+        $elename = 'pchkorg_config';
+        $elepath = $this->get_pathfor('pchkorg_configs/pchkorg_config'); // We used get_recommended_name() so this works.
+        $paths[] = new restore_path_element($elename, $elepath);
+
+        return $paths; // And we return the interesting paths.
+    }
+
+
+    protected function define_module_plugin_structure() {
+        $paths = [];
+
+        $elename = 'pchkorgconfigmod';
+        $elepath = $this->get_pathfor('pchkorg_configs/pchkorg_config');
+        $paths[] = new restore_path_element($elename, $elepath);
+
+        $elename = 'pchkorgfiles';
+        $elepath = $this->get_pathfor('/pchkorg_file/pchkorg_file');
+        $paths[] = new restore_path_element($elename, $elepath);
+
+        return $paths;
+    }
+}
diff --git a/version.php b/version.php
index 423ae3d..01a1282 100644
--- a/version.php
+++ b/version.php
@@ -26,9 +26,9 @@ defined('MOODLE_INTERNAL') || die();
 if (!isset($plugin)) {
     $plugin = new stdClass();
 }
-$plugin->version = 2022100710;
+$plugin->version = 2022102718;
 $plugin->requires = 2020061501; // Requires Moodle 3.9 .
-$plugin->release = 'v3.11.3';
+$plugin->release = 'v3.12.1';
 $plugin->component = 'plagiarism_pchkorg';
 $plugin->maturity = MATURITY_STABLE;
 $plugin->dependencies = array(