DynamoDB > Structures > S3BucketSource S3BucketSource¶ Structure Class¶ S3BucketSource dataclass ¶ The S3 bucket that is being imported from. Attributes¶ s3_bucket instance-attribute ¶ s3_bucket: str The S3 bucket that is being imported from. s3_bucket_owner class-attribute instance-attribute ¶ s3_bucket_owner: str | None = None The account number of the S3 bucket that is being imported from. If the bucket is owned by the requester this is optional. s3_key_prefix class-attribute instance-attribute ¶ s3_key_prefix: str | None = None The key prefix shared by all S3 Objects that are being imported.