Reload custom Jinja2 templates

Use this action to reload the custom Jinja templates stored in the custom_templates folder of your configuration. A common use is to apply edits to a shared template macro without restarting Home Assistant.

The new template values take effect the next time a template that imports them is rendered.

Only users with administrator rights can run this action.

Using this action from the user interface

If you prefer building automations and scripts visually, Home Assistant walks you through this action step by step. You pick what to target, tweak a few options, and save. No YAML knowledge required.

To reload custom templates from an automation or a script:

1. Go to Settings > Automations & scenes.
2. Open an existing automation or script, or select Create automation > Create new automation.
3. If you’re setting up a new automation, add a trigger in the When section. Scripts don’t need a trigger. They run when something else calls them.
4. In the Then do section, select Add action.
5. Search for and select Reload custom Jinja2 templates.
6. Select Save.

Options in the UI

This action has no options.

Using this action in YAML

If you work directly in YAML, or you want to know exactly what Home Assistant does under the hood, this section has the technical reference. It lists the field names you use in YAML, their types, and which ones are required.

In YAML, refer to this action as homeassistant.reload_custom_templates. A basic example looks like this:

action: homeassistant.reload_custom_templates

Options in YAML

This action has no options.

Good to know

• The new values are applied the next time an importing template is rendered, not instantly.
• To reload everything at once, use the Reload all Home Assistant configuration action.

Still stuck?

The Home Assistant community is quick to help: join Discord for real-time chat, post on the community forum with the action you’re calling and what you expected to happen, or share on our subreddit /r/homeassistant.

Related actions

These actions work well alongside this one:

• Reload all Home Assistant configuration: Reloads all YAML configuration that can be reloaded without a restart.