web/web_widget_dropdown_dynamic/readme/USAGE.rst

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.. code-block:: python
@api.model
def method_name(self):
values = [
('value_a', 'Title A'),
]
if self.env.context.get('depending_on') == True:
values += [
('value_b', 'Title B'),
]
return values
.. code-block:: xml
<field
name="other_field"
/>
<field
name="char_field"
widget="dynamic_dropdown"
values="method_name"
context="{'depending_on': other_field}"
/>