diff --git a/classes/courseinfo.php b/classes/courseinfo.php
index 26d8834..732ef18 100644
--- a/classes/courseinfo.php
+++ b/classes/courseinfo.php
@@ -75,7 +75,7 @@ class courseinfo {
 
     /**
      * Return course record
-     * @return stdClass
+     * @return \stdClass
      */
     public function course() {
         return $this->course;
@@ -292,6 +292,7 @@ class courseinfo {
             "canselectgradables" => new \external_value(PARAM_BOOL, 'Requesting user can change selected gradables'),
             "numenrolled" => new \external_value(PARAM_INT, 'number of students from this studyplan enrolled in the course'),
             "tag" => new \external_value(PARAM_TEXT, 'Tag'),
+            "extrafields" => self::extrafields_structure();
         ], 'referenced course information', $value);
     }
 
@@ -324,8 +325,10 @@ class courseinfo {
             'canupdatecourse' => \has_capability("moodle/course:update", $this->coursecontext),
             'canselectgradables' => $this->i_can_select_gradables(),
             'tag' => "Editormodel",
+            'extrafields' => $this->extrafields_model(),
             'grades' => [],
             'numenrolled' => $numenrolled,
+
         ];
 
         if (isset($this->studyitem)) {
@@ -370,6 +373,7 @@ class courseinfo {
             "startdate" => new \external_value(PARAM_TEXT, 'Course start date'),
             "enddate" => new \external_value(PARAM_TEXT, 'Course end date'),
             "enrolled" => new \external_value(PARAM_BOOL, 'True if student is enrolled as student in this course'),
+            "extrafields" => self::extrafields_structure();
         ], 'course information', $value);
     }
 
@@ -445,6 +449,7 @@ class courseinfo {
             'enddate' => date("Y-m-d", $this->course->enddate),
             'grades' => [],
             'enrolled' => $this->is_enrolled_student($userid),
+            'extrafields' => $this->extrafields_model(),
         ];
 
 
@@ -469,4 +474,102 @@ class courseinfo {
         return $info;
     }
 
+
+    /**
+     * Webservice structure for extra fields
+     * @param int $value Webservice requirement constant
+     */
+    public static function extrafields_structure($value = VALUE_REQUIRED) : \external_description {
+        return new \external_multiple_structure(new \external_single_structure([
+            "title" => new \external_value(PARAM_RAW, 'title'),
+            "value" => new \external_value(PARAM_RAW, 'value'),
+            "position" => new \external_value(PARAM_TEXT, 'position'),
+            "type" => new \external_value(PARAM_TEXT, 'value type'),
+        ], 'referenced course information'), $value);
+    }
+
+    /**
+     * Webservice model for basic info
+     * @return array Webservice data model
+     */
+    public function extrafields_model() {
+        $list = [];
+        for ($i=1; $i <= 5; $i++) {
+            $field = get_config('local_treestudyplan','courseinfo'.$i.'_field');
+            $title = self::extrafields_localize_title(get_config('local_treestudyplan','courseinfo'.$i.'_title'));
+            $pos = get_config('local_treestudyplan','courseinfo'.$i.'_position');
+            [$value,$type] = $this->extrafields_value($field);
+            $list[] = [
+                "title" => $title,
+                "value" => $value,
+                "position" => $pos,
+                "type" => $type,
+            ];
+
+        }
+        return $list;
+    }
+
+    protected static function extrafields_localize_title($field) {
+        $lang = trim(current_language());
+        $lines = explode("\n",$field);
+        $title = "";
+        foreach ($lines as $l) {
+            $parts = explode("|",$l,2);
+            if (count($parts) > 0) {
+                if (count($parts) == 1 && empty($title)) {
+                    $title = trim($parts[0]);
+                }
+                else if (trim($parts[1]) == $lang) {
+                    return trim($parts[0]);
+                }
+            }
+        }
+
+        return $title;
+    }
+
+    /**
+     * Determine value and type of an extra field for this course
+     * @return array [value,type] of the field for this 
+     */
+    protected function extrafields_value($fieldname) {
+        $fieldname = get_config("local_treestudyplan", "display_field");
+        
+        if ($fieldname == "description") {
+            return [$this->course()->description, "textarea"];
+        } else if ($fieldname == "idnumber") {
+            $idnumber = trim(preg_replace("/\s+/u", " ", $this->course->idnumber));
+            return [$idnumber, "text"];
+        }  else if ($fieldname == "contacts") {
+            $cle = new \core_course_list_element($this->course());
+            $contacts = $cle->get_course_contacts();
+            $value = "";
+            foreach ($contacts as $uid => $contact) {
+                if(strlen($value) > 0) {
+                    $value .= ", ";
+                }
+                $value .= $contact["username"] . "(".$contact["role"]["name"].")";
+            }
+
+            return [$value, "text"];
+        }  else if (strpos( $fieldname , "customfield_") === 0) {
+            $fieldname = substr($fieldname, strlen("customfield_"));
+
+            $handler = \core_customfield\handler::get_handler('core_course', 'course');
+            $datas = $handler->get_instance_data($this->course->id);
+            foreach ($datas as $data) {
+                $field = $data->get_field();
+                if ($field->get('shortname') == $fieldname) {
+                    $value = trim(preg_replace("/\s+/u", " ", $data->get_value()));
+                    $type = $field->get('type');
+                    if (strlen($value) > 0) {
+                        return [$value,$type];
+                    }
+                }
+            }
+        }
+        // Fallback to shortname when the specified display field fails, since shortname is never empty.
+        return ["",""];
+    }
 }
diff --git a/lang/en/local_treestudyplan.php b/lang/en/local_treestudyplan.php
index 81350a5..653cb67 100644
--- a/lang/en/local_treestudyplan.php
+++ b/lang/en/local_treestudyplan.php
@@ -78,11 +78,6 @@ $string["view_plan"] = 'View study plans';
 $string["edit_plan"] = 'Edit study plan';
 $string["settingspage"] = 'Study plan settings';
 
-$string["setting_display_heading"] = 'Display';
-$string["settingdesc_display_heading"] = 'Study plan display settings';
-$string["setting_display_field"] = 'Course display name';
-$string["settingdesc_display_field"] = 'Select the field to use for the display name of a course in the study plan';
-
 $string["setting_navigation_heading"] = 'Navigation';
 $string["settingdesc_navigation_heading"] = 'Navigation menu configuration';
 $string["setting_primary_nav_autofill"] = 'Automatically fill <i>custom menu items</i>';
@@ -90,7 +85,6 @@ $string["settingdesc_primary_nav_autofill"] = 'To show the studyplan links in th
 $string["setting_defaulticon"] = 'Default studyplan image';
 $string["settingdesc_defaulticon"] = 'Configure default image to show for a study plans if no specific image is set';
 
-
 $string["settingspage_csync"] = 'Synchronize linked cohorts and users to courses';
 $string["setting_csync_heading"] = 'Automatically create a cohort sync in all courses linked to a study plan for all cohorts linked to a study plan';
 $string["settingdesc_csync_heading"] = '';
@@ -107,10 +101,34 @@ $string["settingdesc_csync_remember_manual_csync_field"] = 'Mark cohort syncs th
 $string["setting_csync_users_field"] = 'Enroll linked users';
 $string["settingdesc_csync_users_field"] = 'Also enrol all users that are explicitly linked to a study plan in that study plan\'s courses.';
 
+$string["setting_display_heading"] = 'Display';
+$string["settingdesc_display_heading"] = 'Study plan display settings';
+$string["setting_display_field"] = 'Course display name';
+$string["settingdesc_display_field"] = 'Select the field to use for the display name of a course in the study plan';
+
+$string["setting_courseprogressbar"] = 'Show progress bar in course';
+$string["settingdesc_courseprogressbar"] = 'Show a progress bar in the course popup';
+
+$string["setting_infofields_heading"] = 'Extra course information fields';
+$string["settingdesc_infofields_heading"] = 'Select up to 5 fields or custom fields to add to the course popup';
+
+$string["infofield_position_above"] = 'Above course results';
+$string["infofield_position_below"] = 'Below course results';
+$string["infofield_position_header"] = 'Header ';
+$string["infofield_position_footer"] = 'Footer';
+
+for ($i=1;$i<=5;$i++) {
+    $string["setting_infofield".$i."_field"] = 'Add course details from field ('.$i.')';
+    $string["settingdesc_infofield".$i."_field"] = 'Information field to show';
+    $string["setting_infofield".$i."_title"] = 'Title for course details from field ('.$i.').';
+    $string["settingdesc_infofield".$i."_title"] = 'Title for course info field. One line per language. End with "|<langcode>"  to localize'.$i.'. Leave empty to set no title';
+    $string["setting_infofield".$i."_position"] = 'Position of course info field ('.$i.')';
+    $string["settingdesc_infofield".$i."_position"] = 'Where to place this info field in the course popup screen';
+}
+
 $string["autocohortsync_name"] = 'Study plan automatic cohort sync cascading';
 $string["refreshteacherlist_name"] = "Refresh teacher's study plan list";
 
-
 $string["studyplan_add"] = 'Add study plan';
 $string["studyplan_edit"] = 'Edit study plan';
 $string["studyplan_remove"] = 'Remove study plan';
diff --git a/lang/nl/local_treestudyplan.php b/lang/nl/local_treestudyplan.php
index 0b88857..6a51b4e 100644
--- a/lang/nl/local_treestudyplan.php
+++ b/lang/nl/local_treestudyplan.php
@@ -85,11 +85,6 @@ $string["settingdesc_primary_nav_autofill"] = 'Om in het primaire navigatiemenu
 $string["setting_defaulticon"] = 'Standaard afbeelding foor studieplan';
 $string["settingdesc_defaulticon"] = 'Stel standaard afbeelding in om weer te geven als een studieplan geen eigen afbeelding heeft ingesteld';
 
-$string["setting_display_heading"] = 'Weergave';
-$string["settingdesc_display_heading"] = 'Configuratie voor de weergave van de studieplannen';
-$string["setting_display_field"] = 'Weergavenaam cursus';
-$string["settingdesc_display_field"] = 'Kies welk veld gebruikt moet worden als weergavenaam van een cursus';
-
 $string["settingspage_csync"] = 'Site-groepen en gebruikerskoppelingen doorzetten naar cursussen';
 $string["setting_csync_heading"] = 'Site-groepen die aan een studieplan gekoppeld zijn automatisch als site-groep synchronisatie koppelen aan alle cursussen in het studieplan.';
 $string["settingdesc_csync_heading"] = '';
@@ -105,6 +100,32 @@ $string["setting_csync_remember_manual_csync_field"] = 'Bewaar bestaande site-gr
 $string["settingdesc_csync_remember_manual_csync_field"] = 'Markeer site-group synchronisaties die eerder handmatig zijn aangemaakt, zodat deze niet worden verwijderd als ze uit het studieplan worden gehaald.';
 $string["setting_csync_users_field"] = 'Gekoppelde gebruikers automatisch inchrijven';
 $string["settingdesc_csync_users_field"] = 'Ook alle gebruikers die expliciet aan een studieplan gekoppeld zijn inschrijven in de cursussen van dat studieplan.';
+
+$string["setting_display_heading"] = 'Weergave';
+$string["settingdesc_display_heading"] = 'Configuratie voor de weergave van de studieplannen';
+$string["setting_display_field"] = 'Weergavenaam cursus';
+$string["settingdesc_display_field"] = 'Kies welk veld gebruikt moet worden als weergavenaam van een cursus';
+
+$string["setting_courseprogressbar"] = 'Toon voortgangsbalk in cursus';
+$string["settingdesc_courseprogressbar"] = 'Laat een voortgangsbalk zien in de cursuspopup';
+
+$string["setting_infofields_heading"] = 'Extra cursusinformatie in popup';
+$string["settingdesc_infofields_heading"] = 'Kies tot 5 extra velden om in het cursuspopupvenster te laten zien';
+
+$string["infofield_position_above"] = 'Boven cursusresultaten';
+$string["infofield_position_below"] = 'Onder cursusresultaten';
+$string["infofield_position_header"] = 'Header ';
+$string["infofield_position_footer"] = 'Footer';
+
+for ($i=1;$i<=5;$i++) {
+    $string["setting_infofield".$i."_field"] = 'Laat gegevens zien uit cursusveld ('.$i.')';
+    $string["settingdesc_infofield".$i."_field"] = 'Kies cursusveld om informatie uit te tonen';
+    $string["setting_infofield".$i."_title"] = 'Titel voor gegevens uit cursusveld ('.$i.')';
+    $string["settingdesc_infofield".$i."_title"] = 'Titel for cursusveld. Een regel per taal. Eindig met "|<langcode>" om taal aan te geven';
+    $string["setting_infofield".$i."_position"] = 'Plaats van cursusveld ('.$i.')';
+    $string["settingdesc_infofield".$i."_position"] = 'Waar de gegevens komen te staan in het cursusvenster';
+}
+
 $string["autocohortsync_name"] = 'Studyplan automatisch site-group synchronisatie doorzetten';
 $string["refreshteacherlist_name"] = "Ververs lijst van studieplannen voor leraar";
 
diff --git a/settings.php b/settings.php
index bb5d0ef..1664b77 100644
--- a/settings.php
+++ b/settings.php
@@ -89,6 +89,7 @@ if ($hassiteconfig) {
     ));
 
     $displayfields = ["shortname" => get_string("shortname"), "idnumber" => get_string("idnumber")];
+    $infofields = ["" => get_string('none'), "description" => get_string("description"), "contacts" => get_string("teachers"), "idnumber" => get_string("idnumber")];
     $handler = \core_customfield\handler::get_handler('core_course', 'course');
 
     foreach ($handler->get_categories_with_fields() as $cat) {
@@ -97,6 +98,7 @@ if ($hassiteconfig) {
             $fieldname = $field->get_formatted_name();
             $fieldid = $field->get("shortname");
             $displayfields["customfield_".$fieldid] = $catname.": ".$fieldname;
+            $infofields["customfield_".$fieldid] = $catname.": ".$fieldname;
         }
     }
 
@@ -107,8 +109,44 @@ if ($hassiteconfig) {
             $displayfields
         ));
 
-    // COMPETENCY AGGREGATON DEFAULTS.
+    $page->add(new admin_setting_configcheckbox('local_treestudyplan/courseprogressbar',
+        get_string('setting_courseprogressbar', 'local_treestudyplan'),
+        get_string('settingdesc_courseprogressbar', 'local_treestudyplan'),
+        false,
+    ));
 
+    $page->add(new admin_setting_heading('local_treestudyplan/infofields_heading',
+        get_string('setting_infofields_heading', 'local_treestudyplan'),
+        get_string('settingdesc_infofields_heading', 'local_treestudyplan')
+    ));
+
+    $positions = [  "above" => get_string('infofield_position_above', 'local_treestudyplan'), 
+                    "below" => get_string("infofield_position_below", 'local_treestudyplan'), 
+                    "header" => get_string("infofield_position_header", 'local_treestudyplan'),
+                    "footer" => get_string("infofield_position_footer", 'local_treestudyplan')
+                ];
+
+    for ($i=1;$i<=5;$i++) {
+        $page->add(new admin_setting_configselect('local_treestudyplan/courseinfo'.$i.'_field',
+            get_string('setting_infofield'.$i.'_field', 'local_treestudyplan'),
+            get_string('settingdesc_infofield'.$i.'_field', 'local_treestudyplan'),
+            "",
+            $infofields
+        ));
+        $page->add(new admin_setting_configselect('local_treestudyplan/courseinfo'.$i.'_position',
+            get_string('setting_infofield'.$i.'_position', 'local_treestudyplan'),
+            get_string('settingdesc_infofield'.$i.'_position', 'local_treestudyplan'),
+            "below",
+            $positions
+        ));
+        $page->add(new admin_setting_configtextarea('local_treestudyplan/courseinfo'.$i.'_title',
+            get_string('setting_infofield'.$i.'_title', 'local_treestudyplan'),
+            get_string('settingdesc_infofield'.$i.'_title', 'local_treestudyplan'),
+            "Information $i|en\nInformatie $i|nl"
+        ));
+    }
+
+    // COMPETENCY AGGREGATON DEFAULTS.
     $page->add(new admin_setting_configselect('local_treestudyplan/competency_displayname',
         get_string('setting_competency_displayname', 'local_treestudyplan'),
         get_string('settingdesc_competency_displayname', 'local_treestudyplan'),
diff --git a/version.php b/version.php
index cd1fb76..284771f 100644
--- a/version.php
+++ b/version.php
@@ -22,7 +22,7 @@
 defined('MOODLE_INTERNAL') || die();
 
 $plugin->component = 'local_treestudyplan';  // Recommended since 2.0.2 (MDL-26035). Required since 3.0 (MDL-48494).
-$plugin->version = 2023120100;  // YYYYMMDDHH (year, month, day, iteration).
+$plugin->version = 2023121002;  // YYYYMMDDHH (year, month, day, iteration).
 $plugin->requires = 2021051700; // YYYYMMDDHH (This is the release version for Moodle 3.11).
 
 $plugin->release = "1.1.0";