C External Function events
destroyPart 
The destroyPart event indicates the part and its children have been destroyed and all associated resources have been released. 
connectionSpec 
A connectionSpec event indicates a change in program-specific specifications. 
prototypeSpec 
A prototypeSpec event indicates a change in the name of the prototype specifications, including information about the parameters for the function calls. 
self 
A self event indicates that the value of the target part itself has changed. 
Last modified date: 01/29/2015