def METHOD_NAME():
    mocked_config = {
        "organization_slug": "test_slug",
        "secret_key": "test_key",
        "iban": "FRXXXXXXXXXXXXXXXXXXXXXXXXX",
        "start_date": "2022-06-01",
    }
    stream = Transactions(mocked_config)
    inputs = {"stream_slice": None, "stream_state": None, "next_page_token": None}
    expected_params = {"iban": stream.iban, "settled_at_from": stream.start_date}
    assert stream.request_params(**inputs) == expected_params
    inputs = {"stream_slice": None, "stream_state": None, "next_page_token": {"current_page": 6}}
    expected_params = {"iban": stream.iban, "settled_at_from": stream.start_date, "current_page": 6}
    assert stream.request_params(**inputs) == expected_params