Hi Adam, I’m a newbie to this as well!  not saying this is the best or whatever, but here is a link I used, and it couldn’t have been simpler to set up my lightning wallet so that I could zap. you can get this information from your profile and it’s only a couple of questions then it will allow you to purchase Satoshi’s through the Primal app so you can zap people.  hooe this helps!
https://bitcoinnostr.com 

 Thing is I don't use the iPhone app so I can't do that. I got lucky with @Alby tho. They hooked my up with an invite so I'm finally set for zaps too. Made my day! 😃