in source/solution-helper/index.js [20:39]
function putMetadata(tableName, projectID, hashKey) {
  return new Promise(function(resolve,reject){
    console.log("putMetadata");
    var params = require('./metadata-template.json');
    params.TableName = tableName;
    params.Item.projectID = projectID;
    params.Item.hashKey = hashKey;
    dynamo.put(params, function(err, data) { 
      if (err) {
        console.log(err);
        reject(err);
      } else {
        console.log("putMetadata Success!");
        resolve(data);
      }
    });
  });
}