import os
from samplehc import SampleHealthcare

client = SampleHealthcare(
    api_key=os.environ.get("SAMPLEHC_API_KEY"),  # This is the default and can be omitted
)
response = client.v2.documents.legacy.split(
    document={
        "id": "id",
        "file_name": "fileName",
    },
)
print(response.async_result_id)

{
  "asyncResultId": "<string>"
}