I am trying to get items out of a DynamoDB table using the Node JS AWS-SDK. The function getItem is working fine but BatchGetItem is harder to use.

I use the official documentation: http://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/DynamoDB/Client.html#batchGetItem-property

I am looking for examples on how to use this function correctly, but I can't find any. The code I wrote is:

var params = {

"RequestItems" : {
    "Keys" : [
      {"HashKeyElement" : { "N" : "1000" } },
      {"HashKeyElement" : { "N" : "1001" } }
    ]
  }
}

db.client.batchGetItem(params, function(err, data) {
  console.log('error: '+ err);
  console.log(jsDump.parse(data));
});

I get a SerializationException: Start of list found where not expected error but as far as my NodeJS and JSON expertise goes, my syntax is correct. But it's confusing: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/API_BatchGetItems.html

In that syntax example, you have to provide the table name.

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