automation_fan: Check the wiki for Home Assistant — there's a helpful writeup that covers your exact question.

50 minutes ago · profile

Pro tip: the Node-RED community has powerful automation examples — helped me avoid days of trial and error.

See also

• Quick question: how do I set up automations without creating loops?
• Quick help: how do I set up automations without creating loops?
• Frontend customization — where do new users start?