How can i add custom potions all old methods not exist :C

 

I made but somehow my potion effect does not exist

package de.krokoyt.spicy;

import de.krokoyt.spicy.blocks.spicycoalblock;
import net.minecraft.block.Block;
import net.minecraft.potion.Effect;
import net.minecraft.potion.Potion;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;
import net.minecraftforge.event.RegistryEvent;
import net.minecraftforge.event.world.BlockEvent;
import net.minecraftforge.eventbus.api.SubscribeEvent;
import net.minecraftforge.fml.common.Mod.EventBusSubscriber;
import net.minecraftforge.fml.common.Mod.EventBusSubscriber.Bus;
import net.minecraftforge.registries.ForgeRegistries;
import net.minecraftforge.registries.ObjectHolder;

@EventBusSubscriber(bus = Bus.MOD)
@ObjectHolder("spicy")
public class Events {
    
    public static final Effect cursedflames = null;
    
     
     @SubscribeEvent
      public static void registerPotion(RegistryEvent.Register<Potion> registry) {}
    
    
      @SubscribeEvent
      public static void registerEffect(RegistryEvent.Register<Effect> registry) {
        register("cursedflames", new CursedFlames(745784), cursedflames);
       
      }
      
      private static <T extends Effect> T register(String name, T effect, Effect e) {
            effect.setRegistryName(SpicyCoal.RegistryEvents.location(name));
            ForgeRegistries.POTIONS.register(effect);
            e = effect;
            return effect;
          }
      
    }

    
    
            

oh its works how to add a image to effect?

ok thx

 

how can you do it that you burn all the time while you have the effect

ok thx