new x2many api

docs/dev/py/x2many.rst

@@ -3,6 +3,31 @@ x2many values filling
 
 To fill or manipulate one2many or many2many field with according values (records) you need to use special command as says below.
 
+
+Odoo 15.0+
+----------
+
+First import ``Command``
+
+.. code-block:: python
+
+    from odoo.fields import Command
+
+Then assign list of following commands to a x2many field:
+
+* ``Command.create(values)``
+* ``Command.update(id, values)``
+* ``Command.delete(id)``
+* ``Command.unlink(id)``
+* ``Command.link(id)``
+* ``Command.clear()``
+* ``Command.set(ids)``
+
+Based on https://github.com/odoo/odoo/blob/84f89d6ff887e750ea79656328362333cfce27fd/odoo/fields.py#L2868-L2982
+
+Odoo 14.0-
+----------
+
 This format is a list of triplets executed sequentially, where each triplet is a command to execute on the set of records. Not all
 commands apply in all situations. Possible commands are:
 
@@ -16,4 +41,4 @@ commands apply in all situations. Possible commands are:
 
 .. note:: Values marked as **_** in the list above are ignored and can be anything, generally **0** or **False**.
 
-Based on https://github.com/odoo/odoo/blob/master/odoo/models.py
+Based on https://github.com/odoo/odoo/blob/14.0/odoo/models.py