diff --git a/admin/classes/local/settings/autocomplete.php b/admin/classes/local/settings/autocomplete.php
new file mode 100644
index 00000000000..ad2b3cd753a
--- /dev/null
+++ b/admin/classes/local/settings/autocomplete.php
@@ -0,0 +1,206 @@
+.
+
+/**
+ * Auto complete admin setting.
+ *
+ * @package core_admin
+ * @copyright 2020 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace core_admin\local\settings;
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->libdir . '/adminlib.php');
+/**
+ * Auto complete setting class.
+ *
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @copyright 2020 The Open University
+ */
+class autocomplete extends \admin_setting_configmultiselect {
+ /** @var boolean Should we allow typing new entries to the field? */
+ protected $tags = false;
+ /** @var string Name of an AMD module to send/process ajax requests. */
+ protected $ajax = '';
+ /** @var string Placeholder text for an empty list. */
+ protected $placeholder = '';
+ /** @var bool Whether the search has to be case-sensitive. */
+ protected $casesensitive = false;
+ /** @var bool Show suggestions by default - but this can be turned off. */
+ protected $showsuggestions = true;
+ /** @var string String that is shown when there are no selections. */
+ protected $noselectionstring = '';
+ /** @var string Delimiter to store values in database. */
+ protected $delimiter = ',';
+ /** @var string Should be multiple choices? */
+ protected $multiple = true;
+ /** @var string The link to manage choices. */
+ protected $manageurl = true;
+ /** @var string The text to display in manage link. */
+ protected $managetext = true;
+
+ /**
+ * Constructor
+ *
+ * @param string $name unique ascii name, either 'mysetting' for settings that in config, or 'myplugin/mysetting'
+ * for ones in config_plugins.
+ * @param string $visiblename localised
+ * @param string $description long localised info
+ * @param array $defaultsetting array of selected items
+ * @param array $choices options for autocomplete field
+ * @param array $attributes settings for autocomplete field
+ */
+ public function __construct($name, $visiblename, $description, $defaultsetting, $choices, $attributes = null) {
+
+ if ($attributes === null) {
+ $attributes = [];
+ }
+
+ $this->placeholder = get_string('search');
+ $this->noselectionstring = get_string('noselection', 'form');
+ $defaultattributes = [
+ 'tags',
+ 'showsuggestions',
+ 'placeholder',
+ 'noselectionstring',
+ 'ajax',
+ 'casesensitive',
+ 'delimiter',
+ 'multiple',
+ 'manageurl',
+ 'managetext'
+ ];
+
+ foreach ($defaultattributes as $attributename) {
+ if (isset($attributes[$attributename])) {
+ $this->$attributename = $attributes[$attributename];
+ }
+ }
+
+ parent::__construct($name, $visiblename, $description, $defaultsetting, $choices);
+ }
+
+ /**
+ * Returns the select setting(s)
+ *
+ * @return mixed null or array. Null if no settings else array of setting(s)
+ */
+ public function get_setting() {
+ $result = $this->config_read($this->name);
+ if (is_null($result)) {
+ return null;
+ }
+ if ($result === '') {
+ return [];
+ }
+ return explode($this->delimiter, $result);
+ }
+
+ /**
+ * Saves setting(s) provided through $data
+ *
+ * @param array $data
+ */
+ public function write_setting($data) {
+ if (!is_array($data)) {
+ return ''; // Ignore it.
+ }
+ if (!$this->load_choices() || empty($this->choices)) {
+ return '';
+ }
+
+ unset($data['xxxxx']);
+
+ $save = [];
+ foreach ($data as $value) {
+ if (!array_key_exists($value, $this->choices)) {
+ continue; // Ignore it.
+ }
+ $save[] = $value;
+ }
+
+ return ($this->config_write($this->name, implode($this->delimiter, $save)) ? '' : get_string('errorsetting', 'admin'));
+ }
+
+ /**
+ * Returns XHTML autocomplete field
+ *
+ * @param array $data Array of values to select by default
+ * @param string $query
+ * @return string XHTML autocomplete field
+ */
+ public function output_html($data, $query = '') {
+ global $OUTPUT;
+
+ if (!$this->load_choices() or empty($this->choices)) {
+ return '';
+ }
+
+ $default = $this->get_defaultsetting();
+ if (empty($default)) {
+ $default = [];
+ }
+
+ if (is_null($data)) {
+ $data = [];
+ }
+
+ $context = [
+ 'id' => $this->get_id(),
+ 'name' => $this->get_full_name()
+ ];
+
+ $defaults = [];
+ $options = [];
+ $template = 'core_admin/local/settings/autocomplete';
+
+ foreach ($this->choices as $value => $name) {
+ if (in_array($value, $default)) {
+ $defaults[] = $name;
+ }
+ $options[] = [
+ 'value' => $value,
+ 'text' => $name,
+ 'selected' => in_array($value, $data),
+ 'disabled' => false
+ ];
+ }
+
+ $context['options'] = $options;
+ $context['tags'] = $this->tags;
+ $context['placeholder'] = $this->placeholder;
+ $context['casesensitive'] = $this->casesensitive;
+ $context['multiple'] = $this->multiple;
+ $context['showsuggestions'] = $this->showsuggestions;
+ $context['manageurl'] = $this->manageurl;
+ $context['managetext'] = $this->managetext;
+
+ if (is_null($default)) {
+ $defaultinfo = null;
+ } if (!empty($defaults)) {
+ $defaultinfo = implode(', ', $defaults);
+ } else {
+ $defaultinfo = get_string('none');
+ }
+
+ $element = $OUTPUT->render_from_template($template, $context);
+
+ return format_admin_setting($this, $this->visiblename, $element, $this->description, true, '', $defaultinfo, $query);
+ }
+}
diff --git a/admin/templates/local/settings/autocomplete.mustache b/admin/templates/local/settings/autocomplete.mustache
new file mode 100644
index 00000000000..d0a4cadefc9
--- /dev/null
+++ b/admin/templates/local/settings/autocomplete.mustache
@@ -0,0 +1,87 @@
+{{!
+ 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 .
+}}
+{{!
+ @template core_admin\local\settings\autocomplete
+
+ Admin setting auto complete.
+
+ Context variables required for this template:
+ * name - element name
+ * id - element id
+ * options - choices
+ * multiple - is multiple choices?
+ * manageurl - url to manage choices
+ * managetext - string to display manage url
+ * tags - Should we allow typing new entries to the field?
+ * ajax - Name of an AMD module to send/process ajax requests
+ * placeholder - Placeholder text for an empty list
+ * casesensitive - Whether the search has to be case-sensitive
+ * showsuggestions - Show suggestions by default - but this can be turned off
+ * noselectionstring - String that is shown when there are no selections
+
+
+ Example context (json):
+ {
+ "name": "name0",
+ "id": "id0",
+ "options": [{
+ "value": "1",
+ "text": "option 1",
+ "selected": true,
+ "disabled": false
+ }],
+ "multiple": true,
+ "manageurl": "",
+ "managetext": "",
+ "tags": false,
+ "ajax": "",
+ "placeholder": "",
+ "casesensitive": false,
+ "showsuggestions": true,
+ "noselectionstring": ""
+ }
+}}
+{{!
+ Setting autocomplete.
+}}
+
+
+
+
+{{#js}}
+ require(['core/form-autocomplete'], function(module) {
+ module.enhance({{#quote}}#{{id}}{{/quote}},
+ {{tags}},
+ {{#quote}}{{ajax}}{{/quote}},
+ {{#quote}}{{placeholder}}{{/quote}},
+ {{casesensitive}},
+ {{showsuggestions}},
+ {{#quote}}{{noselectionstring}}{{/quote}});
+ });
+{{/js}}