This attribute is used to apply potion effects to potion based items. Note that potion effects can be added to any kind of item, but will only have an actual function on potions. Here is an example:
internal_itemname: Id: potion Options: Color: 0,0,0 #rgb(red,green,blue) format PotionEffects: - <type> <duration> <level>
The type of potion effect that should be applied. See below for a list of all types.
The duration of the potion effect measured in ticks (20 ticks is 1 second).
The level modifier for the potion effect. 0 = Level I, 1 = Level II, Etc.
A complete list of all supported potion effects are listed on the spigot javadocs
SupremeHealingPotion: Id: potion Display: '&6Supreme Healing Potion' Options: Color: 239,103,216 HideFlags: true PotionEffects: - HEAL 60 1 - CONFUSION 20 0 Lore: - '&8An incredibly potent healing potion' - '&8able to cure even tremendous wounds.' - '&cNotice: May cause liver failure.'