Hey, FYI, this SQL in the docs produces

Could not resolve type id 'S3' as a subtype

because it’s case sensitive and doesn’t match to

s3

NSERT INTO
  EXTERN(
    S3(bucket => 'your_bucket', prefix => 'prefix/to/files')
  )
AS CSV
SELECT
  <column>
FROM <table>

Thanks for reporting this! I forwarded this to my (Imply) docs team. (Or we could create a docs PR for github...)