code: public java.util.List<Attachment> getAttachments() {
          if (attachments == null) {
              attachments = new com.amazonaws.internal.SdkInternalList<Attachment>();
          }
          return attachments;
      }
docs: <p>
  One or more attachments to add to the set. The limit is 3 attachments per set, and the size limit is 5 MB per
  attachment.
  </p>
  
  @return One or more attachments to add to the set. The limit is 3 attachments per set, and the size limit is 5 MB
  per attachment.