Esri welcomes contributions to our open source projects on Github. When contributing, please follow the Esri Community Code of Conduct.

Feel free to submit issues and enhancement requests.

Please use Esri Support to report ArcGIS API or SDK specific bugs and errors.

Please refer to each project's style and contribution guidelines for submitting patches and additions. In general, we follow the "fork-and-pull" Git workflow.

1. Fork the repo on GitHub
2. Clone the project to your own machine
3. Commit changes to your own branch
4. Push your work back up to your fork
5. Submit a Pull request so that we can review your changes

NOTE: Be sure to merge the latest from "upstream" before making a pull request!

Most Esri open source projects are licensed under the Apache 2.0 license.

Esri does not require you to assign the copyright of your contributions, you retain the copyright. Esri does require that you make your contributions available under the Apache 2.0 license in order for it be included in the main repo.

If appropriate, include the Apache 2.0 license summary at the top of each file along with the copyright info. If you are adding a new file that you wrote, include your name in the copyright notice in the license summary at the top of the file.

You can copy and paste the Apache 2.0 license summary from below.

Copyright 2017-2018 by Esri

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.