Create an Item in a DynamoDB table

create_aws_dddb_item.js

async function createItem () {
  const createdUpdated = (new Date()).getTime();
  let params = {
    TableName: tableName,
    Item: {
      'userId': 'userId',
      'createdAt': createdUpdated,
      'updatedAt': createdUpdated
    }
  }
  try {
    await ddbObj.put(params).promise()
  } catch (error) {
    console.log(error)
  }
}