FeatureCAM can be extended using its application programming interface (API). Detailed information on this interface is available in the FeatureCAM API help file, available under the FeatureCAM Help menu. But a few topics are available in the on-line help:
Loading the Example Add-ins that Were Installed with FeatureCAM
Running the API Examples Provided with FeatureCAM
Creating Toolbar Buttons for Macros
Assigning a Macro to a Toolbar Button