AppleScript for toggling connection to a specific VPN network

gistfile1.txt

tell application "System Events"
	tell current location of network preferences
		set VPNservice to service "VPN Service Name goes here"
		if exists VPNservice then
			set isConnected to connected of current configuration of VPNservice
			if isConnected then
				disconnect VPNservice
			else
				connect VPNservice
			end if
		end if
	end tell
end tell