const putObj = Bluebird.promisify(docClient.put, { context: docClient })

// ... a promise chain collecting information...
            const params = {
              TableName: 'my_table',
              Item: {
                name: itemName
              }
            }
            return putObj(params)
              .then((data) => {
                if (Ramda.equals(data, {})) {
                  // ... send notification here
              .catch((err) => {
                throw err
              })