How to read/modify Document Property (Grid Snap interval, Grid thin interval)

Katsu,
see [here.][1]

Best,
fishermans.

[1]: Read and Write Nudge Key Option via Python[quote=“Katsu, post:4, topic:4408, full:true”]
I’d like to ask more related with this.

How can I change nudge steps ( There are 3 kind of nudge steps) in option dialog ?

I’d like to change these parameter values according to grid interval.
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