What should I put inside the pipe

[v4sj4n]

                                <input
                                    type="file"
                                    id=""
                                    {...register('file')}
                                />

    file: v.pipe(
       v.instance(FileList),
       v.mimeType(["application/pdf", ])
    ),

My question is how should I validate this one am I right and how is it done, what if I want to check the size, or if its multiple files ( I am asking different use cases cause I might need them in the future)

[fabian-hiller]

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