esphome-docs/components/datetime/template.rst
RFDarter d549160fc9
add doc for datetime component (#3595)
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
2024-03-11 07:52:24 +13:00

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Template Datetime
=================
.. seo::
:description: Instructions for setting up template datetime with ESPHome.
:image: description.svg
The ``template`` datetime platform allows you to create a datetime with templated values
using :ref:`lambdas <config-lambda>`.
.. code-block:: yaml
# Example configuration entry
datetime:
- platform: template
id: my_date
type: date
name: Pick a Date
optimistic: yes
initial_value: "2024-01-30"
restore_value: true
Configuration variables:
------------------------
- **type** (*Required*, enum): The type of the datetime. Can only be ``date``.
- **lambda** (*Optional*, :ref:`lambda <config-lambda>`):
Lambda to be evaluated every update interval to get the current value of the datetime.
- **set_action** (*Optional*, :ref:`Action <config-action>`): The action that should
be performed when the remote (like Home Assistant's frontend) requests to set the
dateime value. The new value is available to lambdas in the ``x`` variable.
- **update_interval** (*Optional*, :ref:`config-time`): The interval on which to update the datetime
by executing the ``lambda``. Defaults to ``60s``.
- **optimistic** (*Optional*, boolean): Whether to operate in optimistic mode - when in this mode,
any command sent to the template datetime will immediately update the reported state.
Cannot be used with ``lambda``. Defaults to ``false``.
- **restore_value** (*Optional*, boolean): Saves and loads the state to RTC/Flash.
Cannot be used with ``lambda``. Defaults to ``false``.
- **initial_value** (*Optional*, string): The value to set the state to on setup if not
restored with ``restore_value``. Can be one of:
- A string in the format ``%Y-%m-%d``, eg: ``"2023-12-04"``.
- An object including ``year``, ``month``, ``day``.
.. code-block:: yaml
initial_value:
year: 2023
month: 12
day: 4
- All other options from :ref:`Datetime <config-datetime>`.
See Also
--------
- :ref:`automation`
- :apiref:`template/datetime/template_date.h`
- :ghedit:`Edit`