DynamoDB: Get By ID (Guide w/ Code Examples)

To retrieve an item by if from a DynamoDB table using the JavaScript SDK, you can use the getmethod. The method takes an object with the required parameters, including the table name and the primary key of the item you want to retrieve. Here is an example of how you can use the getmethod to retrieve an item with a specific Id:

const AWS = require('aws-sdk');
const dynamoDb = new AWS.DynamoDB.DocumentClient();

const params = {
  TableName: 'my-table',
  Key: {
    id: 'some-id'
  }
};

dynamoDb.get(params, (error, data) => {
  if (error) {
    console.error(error);
    return;
  }

  console.log(data.Item);
});