View difference between Paste ID: p4Unmn7j and 7JYAPVWb

 ========================================
 Main class file;
 
 	public void load(FMLInitializationEvent event) {
         FMLInterModComms.sendMessage("Waila", "register", "<callback method you want to use to register with Waila (package.ProviderDemo.callbackRegister in this example)>");
 	}
 
 ========================================
 Another class file;
 
 public class ProviderDemo implements IWailaDataProvider {
 	@Override
 	public ItemStack getWailaStack(IWailaDataAccessor accessor, IWailaConfigHandler config) {
-		return null;
+		return ((TILEENTITYILLUSIONBLOCK)accessor.getTileEntity()).getFakeItemStack();
 	}
 
 	@Override
 	public List<String> getWailaHead(ItemStack itemStack, List<String> currenttip, IWailaDataAccessor accessor, IWailaConfigHandler config) {
 		return currenttip;
 	}
 
 	@Override
 	public List<String> getWailaBody(ItemStack itemStack, List<String> currenttip, IWailaDataAccessor accessor, IWailaConfigHandler config) {
 		return currenttip;
 	}
 
 	public static void callbackRegister(IWailaRegistrar registrar){
-		registrar.registerHeadProvider (new ProviderDemo(), Class block);
+		registrar.registerStackProvider(new ProviderDemo(), SOMEILLUSIONBLOCKHERE);
- 		registrar.egisterBodyProvider  (new ProviderDemo(), Class block);
+		registrar.registerStackProvider(new ProviderDemo(), SOMEILLUSIONBLOCKHERE);
 	}
 
 }