Amazon DynamoDB batch write

batch-write-items.json

{
    "demo-global-table": [
        {
            "PutRequest": {
                "Item": {
                    "id": {"S": "0123456789"},
                    "firstname": {"S": "Jeff"},
                    "lastname": {"S": "Barr"}
                }
            }
        },
        {
            "PutRequest": {
              "Item": {
                  "id": {"S": "0987654321"},
                  "firstname": {"S": "Sébastien"},
                  "lastname": {"S": "Stormacq"}
              }
            }
        },
        {
            "PutRequest": {
              "Item": {
                  "id": {"S": "1357902468"},
                  "firstname": {"S": "Julien"},
                  "lastname": {"S": "Simon"}
              }
            }
        }
    ]
}