diff --git a/main/inc/lib/webservices/Rest.php b/main/inc/lib/webservices/Rest.php
index 4597830e17..f3107fff8f 100644
--- a/main/inc/lib/webservices/Rest.php
+++ b/main/inc/lib/webservices/Rest.php
@@ -109,8 +109,8 @@ class Rest extends WebService
     public const GET_COURSES_FROM_EXTRA_FIELD = 'get_courses_from_extra_field';
     public const SAVE_COURSE = 'save_course';
     public const DELETE_COURSE = 'delete_course';
-
     public const GET_SESSION_FROM_EXTRA_FIELD = 'get_session_from_extra_field';
+    public const GET_SESSION_INFO_FROM_EXTRA_FIELD = 'get_session_info_from_extra_field';
     public const SAVE_SESSION = 'save_session';
     public const CREATE_SESSION_FROM_MODEL = 'create_session_from_model';
     public const UPDATE_SESSION = 'update_session';
@@ -2514,18 +2514,18 @@ class Rest extends WebService
     }
 
     /**
-     * finds the session which has a specific value in a specific extra field.
+     * Finds the session which has a specific value in a specific extra field and return its ID (only that)
      *
-     * @param $fieldName
-     * @param $fieldValue
+     * @param string $fieldName
+     * @param string $fieldValue
      *
+     * @return int The matching session id, or an array with details about the session
      * @throws Exception when no session matched or more than one session matched
      *
-     * @return int, the matching session id
      */
-    public function getSessionFromExtraField($fieldName, $fieldValue)
+    public function getSessionFromExtraField(string $fieldName, string $fieldValue)
     {
-        // find sessions that that have value in field
+        // find sessions that have that value in the given field
         $valueModel = new ExtraFieldValue('session');
         $sessionIdList = $valueModel->get_item_id_from_field_variable_and_field_value(
             $fieldName,
@@ -2549,6 +2549,54 @@ class Rest extends WebService
         return intval($sessionIdList[0]['item_id']);
     }
 
+    /**
+     * Finds the session which has a specific value in a specific extra field and return its details
+     *
+     * @param string $fieldName
+     * @param string $fieldValue
+     *
+     * @return array The matching session id, or an array with details about the session
+     * @throws Exception when no session matched or more than one session matched
+     *
+     */
+    public function getSessionInfoFromExtraField(string $fieldName, string $fieldValue): array
+    {
+        $session = [];
+        // find sessions that have that value in the given field
+        $valueModel = new ExtraFieldValue('session');
+        $sessionIdList = $valueModel->get_item_id_from_field_variable_and_field_value(
+            $fieldName,
+            $fieldValue,
+            false,
+            false,
+            true
+        );
+
+        // throw if none found
+        if (empty($sessionIdList)) {
+            throw new Exception(get_lang('NoSessionMatched'));
+        }
+
+        // throw if more than one found
+        if (count($sessionIdList) > 1) {
+            throw new Exception(get_lang('MoreThanOneSessionMatched'));
+        }
+
+        $session = api_get_session_info($sessionIdList[0]['item_id']);
+        $bundle = [
+            'id' => $session['id'],
+            'name' => $session['name'],
+            'access_start_date' => $session['access_start_date'],
+            'access_end_date' => $session['access_end_date'],
+        ];
+        $extraFieldValues = new ExtraFieldValue('session');
+        $extraFields = $extraFieldValues->getAllValuesByItem($session['id']);
+        $bundle['extra_fields'] = $extraFields;
+
+        // return session details, including extra fields that have filter=1
+        return $bundle;
+    }
+
     /**
      * Get a list of users subscribed to the given session.
      *
diff --git a/main/webservices/api/v2.php b/main/webservices/api/v2.php
index d28f50bfbd..27e2d7bb14 100644
--- a/main/webservices/api/v2.php
+++ b/main/webservices/api/v2.php
@@ -751,6 +751,18 @@ try {
             );
             $restResponse->setData([$idSession]);
             break;
+        case Rest::GET_SESSION_INFO_FROM_EXTRA_FIELD:
+            if (empty($_POST['field_name']) || empty($_POST['field_value'])) {
+                throw new Exception(get_lang('NoData'));
+            }
+            $idSession = $restApi->getSessionInfoFromExtraField($_POST['field_name'], $_POST['field_value']);
+            Event::addEvent(
+                LOG_WS.$action,
+                'extra_field_name-extra_field_value',
+                Database::escape_string($_POST['field_name']).':'.Database::escape_string($_POST['field_value'])
+            );
+            $restResponse->setData([$idSession]);
+            break;
         case Rest::SAVE_SESSION:
             $data = $restApi->addSession($_POST);
             Event::addEvent(LOG_WS.$action, 'session_id', $data['id_session']);