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Add note that buttons are unidirectional (#1831)

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Oxan van Leeuwen 2022-01-22 07:32:37 +01:00 committed by GitHub
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components/button/index.rst
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@ -94,6 +94,13 @@ Configuration variables:
- **id** (**Required**, :ref:`config-id`): The ID of the button to set.
.. note::
Buttons are designed to trigger an action on a device from Home Assistant, and have an unidirectional flow from
Home Assistant to ESPHome. If you press a button using this action, no button press event will be triggered in Home
Assistant. If you want to trigger an automation in Home Assistant, you should use a
:ref:`Home Assistant event <api-homeassistant_event_action>` instead.
.. _button-lambda_calls:
lambda calls