To use this component you must have the following Pre-Requisites:

1 - An Access Key Id and a SecretAccessKey that can successfully access an S3 bucket (with configured policies in place)
(https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_access-keys.html,
https://docs.aws.amazon.com/AmazonS3/latest/userguide/example-bucket-policies.html)

2 - Configure CORS policy on the bucket to allow direct requests coming in from your OutSystems application URL.
If CORS is not configured properly, this component will not work correctly
(https://docs.aws.amazon.com/AmazonS3/latest/userguide/enabling-cors-examples.html)

3 - Add a reference in your ODC App to AWSS3PreSignedUploader connector and include the features listed below.
- GetObjectPreSignedUrl: Create a pre-signed GET URL for an S3 object that will allow to download files securely and directly from S3.

- PutObjectPreSignedUrl : Create a pre-signed PUT URL for an S3 object that will allow to upload files securely and directly to S3.
- Supply the bucket, object key, and expiration (and content type for uploads)

Note:
For practical examples on how use this library client side review the "S3PreSignedFileUploadHelper" web block.