TextMate Command to Open Dash for Selection/Current Word

OpenDash.tmCommand

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>beforeRunningCommand</key>
	<string>nop</string>
	<key>command</key>
	<string>open "dash://${TM_SELECTED_TEXT:-$TM_CURRENT_WORD}"</string>
	<key>input</key>
	<string>none</string>
	<key>keyEquivalent</key>
	<string>~
</string>
	<key>name</key>
	<string>asd</string>
	<key>output</key>
	<string>discard</string>
	<key>scope</key>
	<string>source</string>
	<key>uuid</key>
	<string>64220D75-8C8E-4E9D-A811-4D265C854FA8</string>
</dict>
</plist>