import os
from unstructured import UnstructuredClient

client = UnstructuredClient(
    username=os.environ.get("UNSTRUCTURED_USERNAME"),  # This is the default and can be omitted
    password=os.environ.get("UNSTRUCTURED_PASSWORD"),  # This is the default and can be omitted
)
response = client.metadata.list_filtered(
    data_connector_name="data_connector_name",
)
print(response.metadata)

{
  "metadata": {},
  "total_matches": 123,
  "next_offset": 123
}