diff --git a/docs/public/gitlab-ci/index.rst b/docs/public/gitlab-ci/index.rst
index 582143d..3e863b8 100644
--- a/docs/public/gitlab-ci/index.rst
+++ b/docs/public/gitlab-ci/index.rst
@@ -25,3 +25,16 @@ gitlab-ci
    artifacts:
      paths:
      - public
+
+* group script
+
+.. todo:: explain group logic
+
+.. code:: shell
+
+ apt update
+ rm --force --recursive ../${group_project}
+ apt --yes install git
+ git clone ${group_url}/${group_project} ../${group_project}
+ apt --yes install python3
+ python3 ../${group_project}/buildeploy.py