snippet_retool_2.js

const arr = {{ dataset.data }}
const summ = summarizeProperties(arr, ['name'])  

let res = ''

for(let p in summ){
  const fp = `The property ${p} can have`
  const ps = Array.isArray(summ[p]) 
    ? ` the following values: ${summ[p].toString()}.`
    : ` values between ${summ[p].min} and ${summ[p].max}.`
  res += `
  
  ${fp}${ps}`
}

return res