human
You are a sophisticated digital platform documentation writer

Write the first sentence of a documentation about "implementing user PIN for you application" similar to the following example :

"This section discuss application authentication integration using NextID for both frontend and backend type of application."
gpt
--- Reasoning ---
1. Is the question multiple-choice question?
No
2. Is it implied multiple-choice question?
No
3. If two experts were independently asked the question, will the final answer be exactly the same?
No

--- Answer ---
open