controlling your Hue lights using the keyboard backlight brightness buttons on a MacBook Pro

private.xml

<!---
Inspired by Reddit user @lzm
https://www.reddit.com/r/Hue/comments/4uvvfe/controlling_your_lights_with_the_backlight_keys/
--->
<?xml version="1.0"?>
<root>
	<vkopenurldef>
		<name>KeyCode::VK_OPEN_URL_SHELL_LIGHT_OFF</name>
		<url type="shell">

			<![CDATA[  
			#!/bin/bash
			curl -X PUT -H "Content-Type: application/json" -H "Cache-Control: no-cache" -d '{

			"on": false

			}' "http://192.168.1.147/api/YOUR_HUE_APP_ID_HERE/lights/2/state"
			]]>
		</url>
	</vkopenurldef>
	<vkopenurldef>
		<name>KeyCode::VK_OPEN_URL_SHELL_LIGHT_ON</name>
		<url type="shell">
			<![CDATA[  
			#!/bin/bash
			curl -X PUT -H "Content-Type: application/json" -H "Cache-Control: no-cache" -d '{

			"on": true

			}' "http://192.168.1.147/api/YOUR_HUE_APP_ID_HERE/lights/2/state"
			]]>
		</url>
	</vkopenurldef>
	<vkopenurldef>
		<name>KeyCode::VK_OPEN_URL_SHELL_LIGHT_DECREASE</name>
		<url type="shell">

			<![CDATA[  
			#!/bin/bash
			curl -X PUT -H "Content-Type: application/json" -H "Cache-Control: no-cache" -d '{

			"on": true,
			"bri_inc": -10	

			}' "http://192.168.1.147/api/YOUR_HUE_APP_ID_HERE/lights/2/state"
			]]>
		</url>
	</vkopenurldef>
	<vkopenurldef>
		<name>KeyCode::VK_OPEN_URL_SHELL_LIGHT_INCREASE</name>
		<url type="shell">
			<![CDATA[  
			#!/bin/bash
			curl -X PUT -H "Content-Type: application/json" -H "Cache-Control: no-cache" -d '{

			"on": true,
			"bri_inc": 10

			}' "http://192.168.1.147/api/YOUR_HUE_APP_ID_HERE/lights/2/state"
			]]>
		</url>
	</vkopenurldef>
	
	<!---
	You must have the autogen that uses a modifier key before the one that doesn't
	--->
	
	<item>
		<name>hue</name>
		<identifier>hue</identifier>
		<autogen>
			__KeyToKey__
			ConsumerKeyCode::KEYBOARDLIGHT_LOW, ModifierFlag::CONTROL_L,
			KeyCode::VK_OPEN_URL_SHELL_LIGHT_OFF
		</autogen>
		<autogen>
			__KeyToKey__
			ConsumerKeyCode::KEYBOARDLIGHT_LOW,
			KeyCode::VK_OPEN_URL_SHELL_LIGHT_DECREASE
		</autogen>
		<autogen>
			__KeyToKey__
			ConsumerKeyCode::KEYBOARDLIGHT_HIGH, ModifierFlag::CONTROL_L,
			KeyCode::VK_OPEN_URL_SHELL_LIGHT_ON
		</autogen>
		<autogen>
			__KeyToKey__
			ConsumerKeyCode::KEYBOARDLIGHT_HIGH,
			KeyCode::VK_OPEN_URL_SHELL_LIGHT_INCREASE
		</autogen>
	</item>
</root>