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64 lines
2.6 KiB
ReStructuredText
64 lines
2.6 KiB
ReStructuredText
Template Select
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===============
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.. seo::
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:description: Instructions for setting up Template Select(s) with ESPHome.
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:image: description.svg
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The ``template`` Select platform allows you to create a Select with templated values
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using :ref:`lambdas <config-lambda>`.
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.. code-block:: yaml
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# Example configuration entry
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select:
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- platform: template
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name: "Template select"
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optimistic: true
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options:
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- one
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- two
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- three
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initial_option: two
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Configuration variables:
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------------------------
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- **name** (**Required**, string): The name of the Select.
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- **options** (**Required**, list): The list of options this Select has.
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- **lambda** (*Optional*, :ref:`lambda <config-lambda>`):
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Lambda to be evaluated every update interval to get the current option of the select.
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- **set_action** (*Optional*, :ref:`Action <config-action>`): The action that should
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be performed when the remote (like Home Assistant's frontend) requests to set the Select option.
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The new option is available to lambdas in the ``x`` variable.
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- **update_interval** (*Optional*, :ref:`config-time`): The interval on which to update the select
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by executing the ``lambda``. Defaults to ``60s``.
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- **optimistic** (*Optional*, boolean): Whether to operate in optimistic mode - when in this mode,
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any command sent to the Template Select will immediately update the reported state.
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Cannot be used with ``lambda``. Defaults to ``false``.
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- **restore_value** (*Optional*, boolean): Saves and loads the state to RTC/Flash.
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Cannot be used with ``lambda``. Defaults to ``false``.
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- **initial_option** (*Optional*, string): The option to set the option to on setup if not
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restored with ``restore_value``.
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Cannot be used with ``lambda``. Defaults to the first option in the ``options`` list.
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code generation.
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- All other options from :ref:`Select <config-select>`.
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.. note::
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If you don't set a ``lambda`` and ``optimistic`` is ``false`` (default), updates to the select component state will need to be taken care of as part of your ``set_action`` using ``id(my_select).publish_state(x);`` (in a lambda). Do not use :ref:`select-set_action` here, as this would generate a loop. Also, don't use ``id(my_select).state = x`` as this won't have the desired effect (e.g. HA won't update with the change).
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``select.set`` Action
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---------------------
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You can also set an option for the template select from elsewhere in your YAML file
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with the :ref:`select-set_action`.
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See Also
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--------
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- :ref:`automation`
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- :apiref:`template/select/template_select.h`
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- :ghedit:`Edit`
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