# Using S3 connector in ETL pipeline

## S3 upload/download capabilities

Depending on the type of connection established, the capabilities associated with uploading and/or downloading files with S3 connector are as follows:

* OAuth 2.0: Upload/Download both (Read and Write). However, user can restrict permissions
* Access Key: Upload/Download both (Read and Write). However, user can restrict permissions
* Public: Download only (Read only).

## Prerequisites

* The following permissions are required for file access in S3:
  * s3:PutObject
  * s3:GetObject
  * s3:DeleteObject
  * s3:ListBucket
  * GetObjectTagging
  * PutObjectTagging
* There can be one root user and multiple IAM users.
* Multiple IAM accounts can read and write between Langstack and AWS.
* There can be multiple buckets and the bucket detail can be edited in the connector.


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