index.md

# User Interface

## Data Provider

* [Introduction](data_provider/index.rst)
* [PyDataProvider2](data_provider/pydataprovider2.rst)

## API Reference

* [Model Config Interface](api/trainer_config_helpers/index.rst)

## Command Line Argument

* [Use Case](cmd_argument/use_case.md)
* [Argument Outline](cmd_argument/argument_outline.md)
* [Detailed Descriptions](cmd_argument/detail_introduction.md)

## Predict

* [Python Prediction API](predict/swig_py_paddle_en.rst)