From 4370ef04c0b12e777f5b6b34b8290fe0fb048ec0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Sat, 24 Dec 2022 10:49:14 +0100
Subject: [PATCH] Document how to trigger the save of container fields

Closes #11933
---
 trytond/doc/ref/models.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/trytond/doc/ref/models.rst b/trytond/doc/ref/models.rst
index 86ad287a36..700a33804e 100644
--- a/trytond/doc/ref/models.rst
+++ b/trytond/doc/ref/models.rst
@@ -472,6 +472,11 @@ Dual methods:
 
    Save the modification made on the records.
 
+   .. warning::
+
+      Fields that have a container as a value must be reassigned to the parent
+      record in order to be saved when the parent record is saved.
+
 Instance methods:
 
 .. method:: ModelStorage.resources()