from meibelai import Meibelai
import os


with Meibelai(
    api_key_header=os.getenv("MEIBELAI_API_KEY_HEADER", ""),
) as m_client:

    res = m_client.datasources.dataelements.update_data_element_metadata(datasource_id="<id>", data_element_id="<id>", metadata={
        "key": "<value>",
    })

    # Handle response
    print(res)

{
  "workflow_id": "<string>",
  "request_id": "<string>"
}