query info($address: String!) {
  # write you query here 
  addressInfo(address: $address){
     nfts(option:{orderBy:CreateTime, order:DESC}){
      totalCount
    }
  }
}

function(resp) {
  if (resp != null && resp.addressInfo != null && resp.addressInfo.nfts != null && resp.addressInfo.nfts.totalCount > 0) {
     return 1
  }
  return 0
}