I think I'm almost there with my understanding. So let's say I have 2 classes, in separate .dlls, and I have the following functions in each.
void VesA::clbkSetClassCaps(FILEHANDLE cfg) {
atch_VesA = CreateAttachment(false, { 0,0,0 }, { 0,0,1 }, { 0,1,0 }, "X", false);
}
void...