| Class | Description | 
|---|---|
| FMLConstructionEvent | An internal FML event used to signal the construction of mods. | 
| FMLEvent | Parent type to all FML events. | 
| FMLFingerprintViolationEvent | A special event used when the  Mod.certificateFingerprint()doesn't match the certificate loaded from the JAR
 file. | 
| FMLInitializationEvent | Called after  FMLPreInitializationEventand beforeFMLPostInitializationEventduring mod
 startup. | 
| FMLInterModComms | Simple intermod communications to receive simple messages directed at you
 from other mods | 
| FMLInterModComms.IMCEvent | Subscribe to this event to receive your messages (they are sent between
  FMLInitializationEventandFMLPostInitializationEvent) | 
| FMLInterModComms.IMCMessage | You will receive an instance of this for each message sent | 
| FMLLoadCompleteEvent | This is a mostly internal event fired to mod containers that indicates that loading is complete. | 
| FMLLoadEvent | Internal only event, used to begin the lifecycle of loading mods. | 
| FMLMissingMappingsEvent | This event is fired if a world is loaded that has block and item mappings referring the mod that are not
 in existence. | 
| FMLMissingMappingsEvent.MissingMapping | |
| FMLModDisabledEvent | |
| FMLModIdMappingEvent | Called whenever the ID mapping might have changed. | 
| FMLPostInitializationEvent | Called after  FMLInitializationEventhas been dispatched on every mod. | 
| FMLPreInitializationEvent | Called before  FMLInitializationEventduring mod startup. | 
| FMLServerAboutToStartEvent | Called before the server begins loading anything. | 
| FMLServerStartedEvent | Called after  FMLServerStartingEventwhen the server is available and ready to play. | 
| FMLServerStartingEvent | Called after  FMLServerAboutToStartEventand beforeFMLServerStartedEvent. | 
| FMLServerStoppedEvent | Called after  FMLServerStoppingEventwhen the server has completely shut down. | 
| FMLServerStoppingEvent | Called when the server begins an orderly shutdown, before  FMLServerStoppedEvent. | 
| FMLStateEvent | The parent of all mod-state changing events | 
| Enum | Description | 
|---|---|
| FMLMissingMappingsEvent.Action | Actions you can take with this missing mapping. | 
| FMLModIdMappingEvent.RemapTarget |