brokenBlockPermutation gives the block that was there before it got broken
#What is BlockPermutation?
thorny yacht
Like block.block has air. Because it stores the current block after it's already broken
And brokenBlockPermutation has the actual block that was there a tick ago
smoky sinew
the docs say BlockPermutation contains the BlockType and properties of a block, but doesn’t refer to a block that exists in the world
here is a link with all the properties and methods on BlockPermutation:
https://jaylydev.github.io/scriptapi-docs/1.19.80/classes/_minecraft_server_1_2_0_beta.BlockPermutation.html