Assuming you’ve defined those two scripts, that should work
It demonstrates another way to call a “dummy” service. Create a script that does nothing and then templates can call it whenever they need to provide a service call that does … nothing. 
Ah ! got it. You are updating the light, so ‘nothing’ ! clever and no extra scripts - Minimal - Me Likey !!!
Sometimes the situation is where the entity_id should be nothing. However, Home Assistant has that one covered and the template can safely provide none as the entity_id. A service call acting on none simply fails gracefully.
Thanks guys
@Mutt : In my case, i have an automation triggering on a sensor input(which updates every 10s), the automation calls a script to do the needed work(control 4 lights, one both on and off), as i am wanting the sensor data accuracy for other functions, but only want the lights to be switched(if at all) every 5 minutes(to avoid a cloud to trigger the lights), and as Automations being re-triggered don’t play well with delays.
So having an Automation, call a script, which in turn calls yet another two script… seems tedious at the least.
The do nothing service is a definite winner though. Just tested it. Works as expected.
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