how to number figure like Figure 1-1 instead of Figure 1.1

[Achuan-2]

I have a requirement. When number-sections: true is turned on, I want to generate a format like Figure 1-1 instead of Figure 1.1. What should I do for pdf and gfm output?

[mcanouil]

I am afraid you can't ...
Maybe a Lua filter can help, but in the cross-reference scope, I am not so sure.