Send a webhook from serverless js on openwhisk

notifier.js

function main(data) {
  return new Promise(function(resolve, reject) {
    var request = require('request');

    if(data.status == 'new') {
        var message = "New question: <" + data.question.link + "|" + data.question.title + "> (tagged: " + data.question.tags + ")";

        var options = {
          "text": message,
          "icon_emoji": ":postit:"
        };

        request({
          url: data.slackURL,
          method: "POST",
          headers: {"Content-Type": "application/json"},
          body: JSON.stringify(options)
        }, function (err, response, body) {
          if(err) {
            console.log(err);
            reject ({payload: "Failed"});
          } else {
            console.log("Status: " + response.statusCode);
            console.log("Response Body: " + body);
            resolve( {payload: "Notified"} );
          }
        });
  });
}