I love leaving companies like that one. You should celebrate, with a beer, perhaps? (Kidding) When you took the job, did you sign an offer letter that outlined

I love leaving companies like that one. You should celebrate, with a beer, perhaps? (Kidding) When you took the job, did you sign an offer letter that outlined your employment status and role with the company? Just curious. I would think an offer letter would resolve any questions about that, should it become necessary.