How can I number equations within sections?

Thank you! I changed it a bit to work for my usecase where I start my section numbering at 0 and it works!

The full code I use is:

#show heading.where(level:1): it => {
  counter(math.equation).update(0)
  it
}


 #set math.equation(numbering: it => {
    let count = counter(heading.where(level: 1)).at(here()).first()
    if count > 0 and start_section_numbering_at_0 {
      numbering("(1.1)", count - 1, it)
    }
    else {
      numbering("(1.1)", count, it)
    }
})
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