The documents below describe how to modify and extend GMAT. The documentation is broken down into generic documentation, and documentation relating to specific components. If you need to add a new feature, start with the general documentation on how to add a command, resource, and panel. If you wish to implement your new feature as a plugin, you will need to read the plugin documentation as well.

General Documentation for Generic Extensions
- How to Compile GMAT
- How to Add a New Resource
Feature Specific Extensions
Other Modifications
- Deprecating and Removing a Field or Parameter

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