{
  "name": "MyDynamoDBDataSource",
  "description": "Primary data source",
  "type": "AMAZON_DYNAMODB",
  "serviceRoleArn": "arn:aws:iam::123456789012:role/appsync-role",
  "dynamodbConfig": "example-string",
  "lambdaConfig": "example-string",
  "httpConfig": "example-string"
}