Urgent : properties/hash generated in json file

[Houssamix]

Hello,

thank you for your amazing work , im about to upload my NFT collection and i was checking , but when comparing json file generated using windows version and json nft standar of solana ' https://docs.metaplex.com/nft-standard ' .

in the standar json i dont see any hash , i wanna know what is thank you in advance .
"properties":{"hash":"ae90209080b4625760d.......2d91150"}

also "family" in "collection" = "Appsus NFT Art Generator" i dont know how to change it because i dont see any field in the UI .

thank you in advance <3