Lambda Functions to fetch data from DynamoDB

fetchDataDynamoDBdata.js

var AWS = require('aws-sdk'),
    myDocumentClient = new AWS.DynamoDB.DocumentClient();

exports.todoFetchItems = function(event, context, callback) {
    var params ={
        TableName: 'TABLE_NAME'
    };
    myDocumentClient.scan(params, function(err, data){
        if(err){
            callback(err,null);
        } else {
            callback(null,data.Items);
        }
    });
}