how-to-contribute.md

# How to Contribute

## Contributing Code

## Before You Start

**Signing the Developer Certificate of Origin**

You must sign the Developer Certificate of Origin (DCO) before you can contribute to the community.

Click [here](https://dco.openharmony.cn/#/sign) to sign the DCO, and click [here](https://dco.openharmony.cn/#/check-sign-status) to check the signing status.

**Code of Conduct**

OpenHarmony is an open source community that relies entirely on the friendly, welcoming environment of the community. Read and abide by the community's [Code of Conduct](code-of-conduct.md) before contributing to the community.

## **Finding the SIG Group You Are Interested**

For details about how to participate in Special Interest Group (SIG), see **SIG Governance**.

## Starting Contributing

For details about how to contribute to code, see [Code Contributing ](code-contribution.md).

## Auto-Test

For details about how to develop test cases based on test requirements, see [Test Subsystem](../readme/test.md).

## Contributing Documents

For details, see [Documentation Contribution](documentation-contribution.md).

## Communication in Community

For details, see [Communication in Community](communication-in-community.md).