Hatching

HATCHING adds progress when an egg or tracked hatch event produces a matching entity.

quests: # Root task configuration.
  levels: # Level entries.
    14: # Target level.
      requirements: # Requirement list.
        rules0: # Unique rule id.
          type: "HATCHING" # Listen for hatching progress.
          material: "EGG" # Optional item/block source filter.
          entity: "CHICKEN" # Entity that should hatch.
          required: "3" # Number of matching hatches required.
        description: # Requirement descriptions.
          0: "%status%<reset> <gray>Hatch 3 chickens</gray> <white>({currentProgress}/{maxProgress})</white>" # Description for rules0.

Use entity when only specific hatched mobs should count.