The current iteration of the plugin generates a starter hex grid for you.
The expanded version will support "bring your own hex grid", so you can start with a grid and then continue add more values to it which are then used to build a priority score.
This final step is described more here, in How to Create a Heatmap of Sidewalk Location Priority:
https://mark.stosberg.com/how-to-create-a-heatmap-sidewalk-location-priority/
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