How can I find out the name of my device for the -init_hw_device parameter in FFmpeg?

Hi, I want to activate Vulkan video filters in FFmpeg. In the documentation (https://ffmpeg.org/ffmpeg-filters.html#Vulkan-Video-Filters ) it is written:
Running Vulkan filters requires you to initialize a hardware device and to pass that device to all filters in any filter graph.

-init_hw_device vulkan[=name][:device[,key=value...]]

How do I find out the device name?

I have a Gigabyte GTX 1070 8GB graphics card.
 
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