Here's a video introduction of an Empathy Map as well as the steps to create one 👇
https://youtu.be/QwF9a56WFWA?feature=shared
The more specific you get, the better.
Create four quadrants labeled: Says, Thinks, Feels, Does.
Says: Imagine your reader talking. What words, complaints, questions would they express? Write them down.
Thinks: Dive deeper. What are their inner thoughts, beliefs, hopes, and anxieties? Fill in this quadrant.