home-assistant.io/source/developers/creating_components.markdown

layout	title	description	date	sidebar	comments	sharing	footer
page	Creating components	Guidelines to get you create your first component for Home Assistant.	2014-12-21 13:32	true	false	true	true

Alright, you're ready to make your first component. AWESOME. Don't worry, we've tried hard to keep it as easy as possible.

{% linkable_title Example component %}

Add hello_state: to your configuration.yaml file and create a file <config_dir>/custom_components/hello_state.py with the below code to test it locally.

DOMAIN = 'hello_state'

def setup(hass, config):
    hass.states.set('hello.world', 'Paulus')

    return True

For more examples, see the Custom Python Component Examples on our examples page.