Key	Description	Data Type	Probable Values
S3 Bucket	The name of the Amazon/Google S3 bucket (without s3:// or gs://) where your output files will be stored. Ensure that the bucket exists and that you have proper access.	string	A valid S3 bucket name (e.g. "olake-s3-test")
S3 Region	The AWS/MinIO/GCS region where the specified S3 bucket is hosted.	string	AWS/GCS region codes such as "ap-south-1", "us-west-2", etc.
S3 Access Key	The AWS/MinIO/GCS HMAC access key used for authenticating S3 requests.	string	A valid AWS/GCS HMAC access key
S3 Secret Key	The AWS/MinIO/GCS HMAC secret key used for S3 authentication. This key should be kept secure.	string	A valid AWS/GCS HMAC secret key
S3 Path	The specific path (or prefix) within the S3 bucket where data files will be written. This is typically a folder path that starts with a / (e.g. "/data").	string	A valid path string
S3 Endpoint	(Optional) Custom S3-compatible endpoint. Required when using GCS HMAC keys or MinIO S3.	string	"https://storage.googleapis.com", "https://<MinIO-Storage-Endpoint>:9000"
Max File Size (MB)	(Optional) Rolls a partition into a new parquet file once the current file reaches this size in MB. Fractional values are allowed. Defaults to 512 when unset.	number	A positive number (integers e.g. 512, 128 or fractional e.g. 0.1 for 100KB)