How to use ApeX finisher?

Could you please elaborate on how to effectively utilize the ApeX finisher? I'm curious about the steps involved in its implementation, including any specific requirements or considerations that one needs to keep in mind. Is there a tutorial or guide that you could recommend for first-time users? Additionally, are there any common mistakes that one should avoid when using the ApeX finisher? Understanding these details would be incredibly helpful in ensuring a smooth and successful experience.