docs: def build_attachment1():
      """Build attachment mock. Make sure your content is base64 encoded before passing into attachment.content.
      Another example: https://github.com/sendgrid/sendgrid-python/blob/master/use_cases/attachment.md"""
      attachment = Attachment()
      attachment.content = ("TG9yZW0gaXBzdW0gZG9sb3Igc2l0IGFtZXQsIGNvbnNl"
                            "Y3RldHVyIGFkaXBpc2NpbmcgZWxpdC4gQ3JhcyBwdW12")
      attachment.type = "application/pdf"
      attachment.filename = "balance_001.pdf"
      attachment.disposition = "attachment"
      attachment.content_id = "Balance Sheet"
      return attachment