in Abuse.ch/src/R53AbuseAutoUpdate.js [9:21]
async function importList (s3Obj){
var params = {
DomainFileUrl: s3Obj,
FirewallDomainListId: "rslvr-fdl-546e4a1e7034fdd",
Operation: "REPLACE"
};
let res = await route53resolver.importFirewallDomains(params, function(err, data) {
if (err) console.log(err, err.stack); // an error occurred
else console.log("Updating the domain list using " + s3Obj);
}).promise();
return res;
}