curl --request GET \
  --url https://api.example.com/api/MessageTemplates/{templateId}/Attachments

[
  {
    "id": 123,
    "idMessageTemplates": 123,
    "realName": "<string>",
    "friendlyName": "<string>",
    "createdByID": 123,
    "createdDate": "2023-11-07T05:31:56Z",
    "size": 123,
    "deleted": true
  }
]