CalDAV
The CalDAV integration allows you to connect your WebDAV calendar to Home Assistant as one of these entity types:
- A calendar entity which can be used to trigger automations based on the start or end of an event using criteria such as the event name or description.
- A todo entity which tracks the number of active items on the to-do list.
The WebDAV entities are updated roughly every 15 minutes.
Configuration
To add the CalDAV integration to your Home Assistant instance, use this My button:
Manual configuration steps
If the above My button doesn’t work, you can also perform the following steps manually:
-
Browse to your Home Assistant instance.
-
In the bottom right corner, select the
Add Integration button. -
From the list, select CalDAV.
-
Follow the instructions on screen to complete the setup.
During the configuration flow you will be asked for the CalDAV server and credentials
for it. An example CalDAV URL is https://caldav.icloud.com/
.
This integration was tested against the following systems, but any other complying with the RFC4791 should work:
Manual configuration
You may also manually add a WebDAV calendar in Home Assistant by adding the following section to your configuration.yaml
The configuration.yaml file is the main configuration file for Home Assistant. It lists the integrations to be loaded and their specific configurations. In some cases, the configuration needs to be edited manually directly in the configuration.yaml file. Most integrations can be configured in the UI. [Learn more] file. This method does not support to-do lists.
After changing the configuration.yaml
The configuration.yaml file is the main configuration file for Home Assistant. It lists the integrations to be loaded and their specific configurations. In some cases, the configuration needs to be edited manually directly in the configuration.yaml file. Most integrations can be configured in the UI. [Learn more] file, restart Home Assistant to apply the changes. The integration is now shown on the integrations page under Settings > Devices & services. Its entities are listed on the integration card itself and on the Entities tab.
Manual configuration examples
# Example configuration.yaml entry for baikal
calendar:
- platform: caldav
username: [email protected]
password: !secret caldav
url: https://baikal.my-server.net/cal.php/calendars/[email protected]/default
# Example configuration.yaml entry for nextcloud, calendars will be found automatically
calendar:
- platform: caldav
username: john.doe
password: !secret caldav
url: https://nextcloud.example.com/remote.php/dav
# Example configuration.yaml entry for Radicale, calendars will be found automatically
calendar:
- platform: caldav
username: john.doe
password: !secret caldav
url: https://radicale.example.com/
# Example configuration.yaml entry for iCloud, calendars will be found automatically
calendar:
- platform: caldav
username: !secret userIcloud
password: !secret passIcloud
url: https://caldav.icloud.com
All day events are not supported by default when configured using yaml.
The examples below create calendar entities that match specific search criteria.
# Example configuration.yaml entry
calendar:
- platform: caldav
username: [email protected]
password: !secret caldav
url: https://baikal.my-server.net/cal.php/calendars/[email protected]/default
custom_calendars:
- name: "HomeOffice"
calendar: "Agenda"
search: "HomeOffice"
- name: "WarmupFlat"
calendar: "Agenda"
search: "Warmup"
This will create two entities for the calendar name Agenda: “HomeOffice” and “WarmupFlat” with events matching the regular expression specified in search
. In custom calendars, events that last a whole day are taken into account.
Please note that if you use the custom_calendars
option, only those calendars will be loaded. You cannot use calendars
and custom_calendars
in the same configuration.
Configuration Variables
List of the calendars to filter. Empty or absent means no filtering, i.e., all calendars will be added. It cannot be used if custom_calender
option is used.
Details on any custom calendars you want to create. Using this will only load the custom calendars supplied. No other calendars will load.
Calendar Event Automations
Individual Calendar Events can power automations such as:
- Turn on a light at the start of the event named Front Yard Light
- Send a notification 5 minutes before the start of any event
- Stop the media player 30 minutes after the end of the event named Exercise.
See Calendar Automations for an overview, and read more about Calendar Trigger Variables for the available information you can use in a condition or action such as the event summary
, description
, location
and more.
Calendar Entity Attributes
The calendar entity has additional attributes related to a single next upcoming event.
Using the entity state and attributes is more error prone and less flexible than using Calendar Automations. The calendar entity itself may only track a single upcoming active event and can’t handle multiple events with the same start time, or overlapping events.
-
offset_reached: If set in the event title and parsed out will be on/off once the offset in the title in minutes is reached. So the title Very important meeting
!! -10
would trigger this attribute to be on 10 minutes before the event starts. This should be in the format ofHH:MM
orMM
. This attribute is not available when configured from the UI. -
all_day:
True/False
if this is an all day event. Will beFalse
if there is no event found. -
message: The event title with the
search
values extracted. So in the above example foroffset_reached
the message would be set to Very important meeting - description: The event description.
- location: The event Location.
- start_time: Start time of event.
- end_time: End time of event.
To-do Entity
The todo entity is the number of incomplete items on the to-do list. See the todo integration documentation for details and available actions that can be used in automations.
Troubleshooting
Home Assistant Core Installations
You might need some additional system packages to compile the Python CalDAV library. On a Debian based system, install them by:
sudo apt-get install libxml2-dev libxslt1-dev zlib1g-dev
iCloud
You may be required to use app specific passwords