Projectile Launch

PROJECTILE_LAUNCH adds progress when a player launches a matching projectile item.

quests: # Root task configuration.
  levels: # Level entries.
    15: # Target level.
      requirements: # Requirement list.
        rules0: # Unique rule id.
          type: "PROJECTILE_LAUNCH" # Listen for projectile launches.
          material: "ENDER_PEARL,SNOWBALL" # Projectile item materials that should count.
          required: "11" # Number of matching launches required.
        description: # Requirement descriptions.
          0: "%status%<reset> <gray>Launch 11 projectiles</gray> <white>({currentProgress}/{maxProgress})</white>" # Description for rules0.

Use comma-separated materials when several projectile items should count.