dynamodb datasource definition
SCHEMA >
    GamerID String `json:$.GamerID`,
    Level UInt16 `json:$.Level`,
    Score UInt256 `json:$.Score`
 
IMPORT_SERVICE "dynamodb"
IMPORT_CONNECTION_NAME DynamoDBGameScores
IMPORT_TABLE_ARN 'arn:aws:dynamodb:us-east-2:12345678910:table/GameScores'
IMPORT_EXPORT_BUCKET 's3-bucket-name'