5.1.1.2 Return value

Returns a LISP object that may be used at scheme level to control the plugin. Details of this control and features that might be implemented at this level are completely free and left to the developer. Except if one later want to use the close (4.2) method. In this case object storing the handle should inherit from the FP_MANAGER class declared in festplugin.H to allow ’handle’ retrieval.