Create User from Node.js Failure. #127

{ hostname: 'localhost',
  port: 4567,
  path: '/api/v2/users',
  method: 'POST',
  timeout: 5000,
  headers:
   { Authorization: 'Bearer <token>' } }

var req = require('http').request(options, (res) => {
   							
   	 let data = '';

   	 // A chunk of data has been recieved.
   	 res.on('data', (chunk) => {
   		data += chunk;
   	 });

   	// The whole response has been received. Print out the result.
   	res.on('end', () => {
   					
   		console.log(data);
   		var rt = JSON.parse(data);
   		if (callback) callback({status: 'success'});
   					
   	 });
   				  
   	 req.on('error', (e) => {
   					  
   		if (callback) callback({status: 'failure'});
   					
   	 });	
   });
   							
   req.write(postData);
   req.end();

Error: "value" required in setHeader("accessToken", value)
    at validateHeader (_http_outgoing.js:492:11)
    at ClientRequest.setHeader (_http_outgoing.js:501:3)
    at new ClientRequest (_http_client.js:173:14)
    at Object.request (http.js:38:10)