Which connector?: Amazon S3

Additional details:

1. Toggle buttons on S3 file connectors to indicate if there is a header and/or trailer row
1. Toggle button to ingest the row(s)
2. Free text box to indicate the delimiter of those types of rows
3. For trailer rows: How many rows make up the trailer
4. For trailer rows: Is there a character or set of characters that indicate the row has started (free text to indicate that pattern)