{
  "template_id": "<string>",
  "name": "<string>",
  "sender_information": {
    "from_local_part": "<string>",
    "from_domain": "<string>",
    "from_name": "<string>",
    "reply_to_local_part": "<string>",
    "reply_to_name": "<string>"
  },
  "prebuilt_customization": {
    "button_border_radius": 123,
    "button_color": "<string>",
    "button_text_color": "<string>"
  },
  "custom_html_customization": {
    "html_content": "<string>",
    "plaintext_content": "<string>",
    "subject": "<string>"
  }
}