How to create a trace for your app errors in laravel

I've developed a website for a some friends. Everything is working good for me. But now we're on the testing phase, and I'm far from them, so I'm looking for way where I can trace all errors that could be happen while testing by the client, in order to facilitate communication about errors between me and the teams. Is there anyway where I can insert a log errors trace or something in my app before sending it to them, and after a week, they send me back the file where I can find all the errors that happened and I can fix them. Thank you!