diff --git a/classes/domain/autogroup_set.php b/classes/domain/autogroup_set.php
index c4752c5..b9ea3e6 100644
--- a/classes/domain/autogroup_set.php
+++ b/classes/domain/autogroup_set.php
@@ -329,6 +329,16 @@ public function get_group_by_options() {
         return $this->sortmodule->get_config_options();
     }
 
+    /**
+     * Returns the options to be displayed on the autgroup_set
+     * editing form. These are defined per-module.
+     *
+     * @return array
+     */
+    public function get_delimited_by_options() {
+        return $this->sortmodule->get_delimiter_options();
+    }
+
     /**
      * @return int  the count of groups linked to this groupset
      */
@@ -348,7 +358,7 @@ public function get_membership_counts() {
     }
 
     /**
-     * returns the name of the field this is currently
+     * returns the actual value of the field this is currently
      * grouping by.
      *
      * @return string
@@ -357,6 +367,25 @@ public function grouping_by() {
         return $this->sortmodule->grouping_by();
     }
 
+    /**
+     * returns the display name of the field this is currently
+     * grouping by.
+     *
+     * @return string
+     */
+    public function grouping_by_text() {
+        return $this->sortmodule->grouping_by_text();
+    }
+
+    /**
+     * returns delimiter.
+     *
+     * @return string
+     */
+    public function delimited_by() {
+        return $this->sortmodule->delimited_by();
+    }
+
     /**
      * @param int $courseid
      */
diff --git a/classes/form/autogroup_set_settings.php b/classes/form/autogroup_set_settings.php
index 287b118..87dfefa 100644
--- a/classes/form/autogroup_set_settings.php
+++ b/classes/form/autogroup_set_settings.php
@@ -49,6 +49,8 @@ public function definition() {
 
         $this->add_group_by_options();
 
+        $this->add_field_delimiter_options();
+
         $this->add_role_options();
 
         $this->add_action_buttons();
@@ -72,6 +74,20 @@ private function add_group_by_options() {
         }
     }
 
+    /**
+     * Add delimiter options if the sortmodule has the option.
+     *
+     * @return void
+     */
+    protected function add_field_delimiter_options() {
+        $delimiteroptions = $this->_customdata->get_delimited_by_options();
+        if ($delimiteroptions) {
+            $mform = &$this->_form;
+            $mform->addElement('select', 'delimitedby', get_string('set_delimitedby', 'local_autogroup'), $delimiteroptions);
+            $mform->setDefault('delimitedby', $this->_customdata->delimited_by());
+        }
+    }
+
     /**
      * @throws \coding_exception
      */
diff --git a/classes/sort_module.php b/classes/sort_module.php
index f243553..3e95bb1 100644
--- a/classes/sort_module.php
+++ b/classes/sort_module.php
@@ -54,6 +54,10 @@ abstract class sort_module {
      * @var array
      */
     protected $config = array();
+    /**
+     * @var array
+     */
+    protected $delimiters = [];
 
     /**
      * @param stdClass $config
@@ -110,4 +114,28 @@ public function __set($attribute, $value) {
      */
     abstract public function grouping_by();
 
+    /**
+     * Return display string which explains how users are being grouped
+     *
+     * @return string
+     */
+    abstract public function grouping_by_text();
+
+    /**
+     * Get array of delimiter string.
+     *
+     * @return array
+     */
+    public function get_delimiter_options() {
+        return array_combine($this->delimiters, $this->delimiters);
+    }
+
+    /**
+     * Get delimiter string.
+     *
+     * @return string
+     */
+    public function delimited_by() {
+        return '';
+    }
 }
diff --git a/classes/sort_module/profile_field.php b/classes/sort_module/profile_field.php
index e247522..b23b72e 100644
--- a/classes/sort_module/profile_field.php
+++ b/classes/sort_module/profile_field.php
@@ -102,10 +102,17 @@ public function eligible_groups_for_user(stdClass $user) {
      * @return bool|string
      */
     public function grouping_by() {
+        return empty($this->field) ? false : $this->field;
+    }
+
+    /**
+     * @return bool|string
+     */
+    public function grouping_by_text() {
         if (empty ($this->field)) {
             return false;
         }
-        return (string)$this->field;
+        $options = $this->get_config_options();
+        return isset($options[$this->field]) ? $options[$this->field] : $this->field;
     }
-
 }
diff --git a/classes/sort_module/user_info_field.php b/classes/sort_module/user_info_field.php
index bd6d6ed..f6f7a63 100644
--- a/classes/sort_module/user_info_field.php
+++ b/classes/sort_module/user_info_field.php
@@ -118,4 +118,11 @@ public function grouping_by() {
         return (string)$field;
     }
 
+    /**
+     * @return bool|string
+     */
+    public function grouping_by_text() {
+        return ucfirst(format_string($this->grouping_by()));
+    }
+
 }
diff --git a/classes/sort_module/user_info_field_multivalue.php b/classes/sort_module/user_info_field_multivalue.php
new file mode 100644
index 0000000..e96b8ea
--- /dev/null
+++ b/classes/sort_module/user_info_field_multivalue.php
@@ -0,0 +1,152 @@
+<?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/>.
+
+/**
+ * autogroup local plugin
+ *
+ * A course object relates to a Moodle course and acts as a container
+ * for multiple groups. Initialising a course object will automatically
+ * load each autogroup group for that course into memory.
+ *
+ * @package    local_autogroup
+ * @copyright  2023 Catalyst IT Australia Pty Ltd
+ * @author     Tomo Tsuyuki <tomotsuyuki@catalyst-au.net>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace local_autogroup\sort_module;
+
+use local_autogroup\sort_module;
+use stdClass;
+
+/**
+ * Class course
+ * @package local_autogroup\domain
+ */
+class user_info_field_multivalue extends sort_module {
+    /**
+     * @var string
+     */
+    private $field = '';
+    /**
+     * @var string
+     */
+    private $delimiter = '';
+    /**
+     * @var array
+     */
+    protected $delimiters = [',', '|',';'];
+
+    /**
+     * @param stdClass $config
+     * @param int $courseid
+     */
+    public function __construct($config, $courseid) {
+        if ($this->config_is_valid($config)) {
+            $this->field = $config->field;
+            $this->delimiter = empty($config->delimiter) ? '' : $config->delimiter;
+        }
+        $this->courseid = (int)$courseid;
+    }
+
+    /**
+     * @param stdClass $config
+     * @return bool
+     */
+    public function config_is_valid(stdClass $config) {
+        if (!isset($config->field)) {
+            return false;
+        }
+
+        // Ensure that the stored option is valid.
+        if (array_key_exists($config->field, $this->get_config_options())) {
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Returns the options to be displayed on the autgroup_set
+     * editing form. These are defined per-module.
+     *
+     * @return array
+     */
+    public function get_config_options() {
+        global $DB;
+
+        $options = [];
+        $infofields = $DB->get_records('user_info_field', ['datatype' => 'text']);
+
+        foreach ($infofields as $field) {
+            $options[$field->id] = $field->name;
+        }
+        return $options;
+    }
+
+    /**
+     * @param stdClass $user
+     * @return array $result
+     */
+    public function eligible_groups_for_user(stdClass $user) {
+        global $DB;
+
+        $field = $this->field;
+        if (empty($field)) {
+            return [];
+        }
+        $data = $DB->get_record('user_info_data', ['fieldid' => $field, 'userid' => $user->id]);
+        if ($data && !empty($data->data)) {
+            $delimiteddata = explode($this->delimiter, $data->data);
+            $trimmeddata = array_map('trim', $delimiteddata);
+            return $trimmeddata;
+        }
+        return [];
+    }
+
+    /**
+     * @return bool|string
+     */
+    public function grouping_by() {
+        return empty($this->field) ? false : $this->field;
+    }
+
+    /**
+     * @return bool|string
+     */
+    public function grouping_by_text() {
+        global $DB;
+        if (empty ($this->field)) {
+            return false;
+        }
+
+        $field = $DB->get_field('user_info_field', 'name', ['id' => $this->field]);
+        if (empty($field)) {
+            return false;
+        }
+        return (string)$field;
+    }
+
+    /**
+     * Get delimiter string.
+     *
+     * @return string
+     */
+    public function delimited_by() {
+        return $this->delimiter;
+    }
+
+}
diff --git a/edit.php b/edit.php
index c03c3af..497575c 100644
--- a/edit.php
+++ b/edit.php
@@ -141,10 +141,18 @@
         $updategroupmembership = true;
     } else {
 
+        $updated = false;
         $options = new stdClass();
-        $options->field = $data->groupby;
+        if (!empty($data->groupby) && $data->groupby != $groupset->grouping_by()) {
+            $options->field = $data->groupby;
+            $updated = true;
+        }
+        if (!empty($data->delimitedby) && $data->delimitedby != $groupset->delimited_by()) {
+            $options->delimiter = $data->delimitedby;
+            $updated = true;
+        }
 
-        if ($options->field != $groupset->grouping_by()) {
+        if ($updated) {
             // User has selected another option.
             $groupset->set_options($options);
             $groupset->save($DB, $cleanupold);
diff --git a/lang/en/local_autogroup.php b/lang/en/local_autogroup.php
index 69f66b3..07f9515 100644
--- a/lang/en/local_autogroup.php
+++ b/lang/en/local_autogroup.php
@@ -45,6 +45,7 @@
 $string['set_groups'] = 'Number of groups';
 $string['set_roles'] = 'Eligible Roles';
 $string['set_groupby'] = 'Group by';
+$string['set_delimitedby'] = 'Delimited by';
 
 $string['confirmdelete'] = 'Are you sure you wish to remove this auto group set?';
 
@@ -84,6 +85,7 @@
 // Sort module names.
 $string['sort_module:profile_field'] = 'Profile field';
 $string['sort_module:user_info_field'] = 'Custom profile field';
+$string['sort_module:user_info_field_multivalue'] = 'Custom profile field multi values';
 
 // Privacy provider
 $string['privacy:metadata:local_autogroup'] = 'Data relating users for the local autogroup plugin';
diff --git a/manage.php b/manage.php
index dd07ddd..e6f136d 100644
--- a/manage.php
+++ b/manage.php
@@ -55,6 +55,9 @@
     die();
 }
 
+$PAGE->set_context($context);
+$PAGE->set_url(local_autogroup_renderer::URL_COURSE_MANAGE, array('courseid' => $courseid));
+
 $course = $DB->get_record('course', array('id' => $courseid));
 $groupsets = $DB->get_records('local_autogroup_set', array('courseid' => $courseid));
 
@@ -64,8 +67,6 @@
 
 $heading = \get_string('coursesettingstitle', 'local_autogroup', $course->shortname);
 
-$PAGE->set_context($context);
-$PAGE->set_url(local_autogroup_renderer::URL_COURSE_MANAGE, array('courseid' => $courseid));
 $PAGE->set_title($heading);
 $PAGE->set_heading($heading);
 $PAGE->set_pagelayout('incourse');
diff --git a/renderer.php b/renderer.php
index 1fd54fc..49d4898 100644
--- a/renderer.php
+++ b/renderer.php
@@ -97,8 +97,8 @@ private function groupsets_table_group(local_autogroup\domain\autogroup_set $gro
         // Get the groupset type.
         $row [] = ucfirst(local_autogroup_sanitise_sort_module_name($groupset->sortmodule));
 
-        // Get the grouping by text.
-        $row [] = ucfirst(format_string($groupset->grouping_by()));
+        // Get the grouping by text which is used in the edit screen.
+        $row [] = ucfirst($groupset->grouping_by_text());
 
         // Get the count of groups.
         $row [] = $groupset->get_group_count();
diff --git a/version.php b/version.php
index 90677c7..b0813b3 100644
--- a/version.php
+++ b/version.php
@@ -28,7 +28,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version = 2023062100;
+$plugin->version = 2023062101;
 $plugin->requires = 2013111800.00;       // Requires this Moodle version (2.7).
 $plugin->release = '2.8.3';                // Plugin release.
 $plugin->component = 'local_autogroup';  // Full name of the plugin (used for diagnostics).