How should I make this continue to place markers

[leviocsmithk]

Hello,

On my app, I would like this to work in a way where It places a marker every time the timer goes off.
I still need it to use the data from the data source for this to work. Apart from that here is what I have:

Thanks, Levi

[leviocsmithk]

This way it can go down the google sheet and every set amount of time, it will place a mark where the most recent location is.