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.get_evidence(
    data_connector_name="data_connector_name",
    filename="filename",
    tag_id="tag_id",
    tag_value="string",
)
print(response.evidence)

{
  "evidence": {}
}