diff --git a/source/libublsettings.h b/source/libublsettings.h
index dcd16d9..a57acb0 100644
--- a/source/libublsettings.h
+++ b/source/libublsettings.h
@@ -1053,6 +1053,8 @@ char *yon_config_save_simple(YON_CONFIG_TYPE target, char *path);
 [[ deprecated ( "Will be removed soon" ) ]]
 int yon_config_force_save_registered(char *path);
 
+config_str yon_config_find_keys(char *target, int *size);
+
 /**yon_config_get_all(int *size)
  * [EN]
  *