from samplehc import SampleHealthcare

client = SampleHealthcare(
    api_key="My API Key",
)
response = client.v2.integrations.kno2.messages.get_attachment(
    attachment_id="attachmentId",
    slug="slug",
    message_id="messageId",
)
print(response.id)

{
  "id": "<string>",
  "fileName": "<string>"
}