Attachment: ICS file with AWS Lambda URL

type.inbound
and any(attachments,
        (
          .file_extension in~ ('ics')
          or .content_type in ("application/ics", "text/calendar")
        )
        and (
          regex.icontains(file.parse_text(.).text, 'lambda-url')
          //
          // This rule makes use of a beta feature and is subject to change without notice
          // using the beta feature in custom rules is not suggested until it has been formally released
          //
          or any(beta.file.parse_ics(.).events,
                 any(.links,
                     strings.icontains(.href_url.domain.domain, "lambda-url")
                 )
          )
        )
)