The AMPF provides the API necessary to develop a plugin for Airmail.
Why a Plug-In Framework?
The implementation of a plugin is necessary to inherit from the AMPF/AMPlugin class and to override the request methods (see Class Documentation)
The framework is an extended part of Airmail. API Call List
The bundle inluiced few sample plugins that show some API of the framework.
How to install
You need to add a reference to the AMPF in your plugin project in order to use the requested classes. After you build your plugin, copy the bundle in the appropriate directory.