All available options will be listed here. These options must be placed under the Options: tag inside your item configurations.

example_item:
  Id: diamond
  Options:
    SomeOption: value

Universal Options

These options are applicable to all items:

Repairable: [true/false]

• Sets the repair cost of the item to maximum, making it completely uneditable in anvils and/or enchantment tables.
• Will override the RepairCost option.
• Defaults to false.

RepairCost: [number]

• Sets the repair cost of the item.

Unbreakable: [true/false]

• Sets the unbreakable tag on the item.
• Items with this set to true will not lose durability.

HideFlags: [true/false]

• Hides all the item flags, making things like enchants not visible in the item's lore (please note however that the item will still have an enchanted glow).

PreventStacking: [true/false]

• Prevents the item from stacking to similar items.

Model: [number]

• Sets the custom model data ID for the item

Playerheads

Only applicable to playerhead type items:

Player: [name]

• Sets the texture of the player head.
• [name] must be the IGN of the target player.
• Player heads must use data value 3 for this to work.
• Examples:
  • Player: Herobrine

SkinTexture: [url]

• Also sets the texture of the player head, but instead uses a SkinURL.
• Player heads must use data value 3 for this to work.
• Type into browser: https://sessionserver.mojang.com/session/minecraft/profile/trimmeduuidofplayerhere
• Use http://mcuuid.net/ to find the trimmed uuid of the player
• This option also supports hashes. For example:

Options:
  SkinTexture: eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvODdlMGFhOTQzM2RiYTliNzU5MzJhMTFkYzk0ZDQwNmJkZTE5ZTg2MzUxNDIxNDkyYjNlZDM3OGM4ZTFhN2NjIn19fQ==

Dyeable Items

Color: [R,G,B] OR [DyeColor]

• Dyes the armor piece to a color according to Red, Green, Blue settings. 0-255
• Alternately can use a predefined color. Found here.
• Can pick colors using the Paint program on Windows. Open it up then choose "Edit Colors" to get your RGB value
• Only usable on leather armor type and banners.

Fireworks

• Added options for FIREWORK and FIREWORK_CHARGE items
• For Colors and FadeColors, you can specify what colors you want using the format RED,GREEN,BLUE

Firework:
  Colors:
  - 255,0,255
  - 0,0,0
  FadeColors:
  - 200,0,0
  Flicker: true
  Trail: true

Examples

ClothSlippers:
  Id: 301
  Data: 0
  Display: '&fCloth Slippers'
  Lore:
  - ''
  - 'So Soft!'
  - ''
  Enchantments:
  - DURABILITY:1
  Options:
    Color: 200,200,200

Lots of possible options included:

TestHead:
  Id: 397
  Data: 3
  Options:
    Player: Rickyling

dat_item_though:
  Id: banner
  Data: 4
  Display: '&c&lThe Banner&r'
  Lore:
  - ''
  - '&rIt<&sq>s the perfect stone.'
  - '&cNever question that.'
  - ''
  Amount: 8
  Options:
    Color: 200,200,200
    Unbreakable: true
  Enchantments:
  - DURABILITY:1
  - ARROW_FIRE:10

An example of a firework rocket

FireworkGoBoom:
  Id: FIREWORK_ROCKET
  Display: 'Rocket'
  Firework:
    Colors:
    - 255,0,255
    - 0,0,0
    FadeColors:
    - 200,0,0
    Flicker: true
    Trail: true