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Bedrock Edition level format/Block entity format

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This feature is exclusive to Bedrock Edition. 

This page lists NBT structures of block entities in Bedrock Edition.

A block entity is used by Minecraft to store information about a block that can't be stored in the block's block states.

Block Entity[]

All block entities share this base:

  • : The block entity's root tag.
    •  CustomName: (May not exist) The custom name of the block entity.
    •  id: The savegame ID of the block entity.
    •  isMovable: 1 or 0 (true/false) - true if the block entity is movable with a piston.
    •  x: X coordinate of the block entity.
    •  y: Y coordinate of the block entity.
    •  z: Z coordinate of the block entity.

Additional fields for block entity types[]

[]

Additional fields for banner:

  • : The block entity's root tag.
    •  Base: The base color of the banner. See Banner#Block_data.
    •  Patterns: (May not exist) List of all patterns applied to the banner.
    •  Type: The type of the block entity. 0 is normal banner. 1 is ominous banner.

Beacon[]

Additional fields for beacon:

  • : The block entity's root tag.
    •  primary: The primary effect selected, see Potion effects for IDs. Set to 0 when no effect is selected.
    •  secondary: The secondary effect selected, see Potion effects for IDs. Set to 0 when no effect is selected. When set without a primary effect, does nothing. When set to the same as the primary, the effect is given at level 2 (the normally available behavior for 5 effects). When set to a different value than the primary (normally only Regeneration), gives the effect at level 1.[needs testing]

Bed[]

Additional fields for bed:

  • : The block entity's root tag.
    •  color: The data value that determines the color of the half-bed block. When a bed is broken, the color of the block entity at the bed's head becomes the color of the bed item when it drops. See Bed#Metadata.

Beehive and Bee Nest[]

Additional fields for beehive and bee nest:

  • : The block entity's root tag.
    •  Occupants: (May not exist) Entities currently in the hive.
      • : An entity in the hive.
        •  ActorIdentifier: The entity in the hive. Always minecraft:bee<> in vanilla game. [more information needed]
        •  SaveData: The NBT data of the entity in the hive.
          • Tags common to entity
          • Tags unique to this entity type.
        •  TicksLeftToStay: The time in ticks until the entity leave the beehive.
    •  ShouldSpawnBees: 1 or 0 (true/false) - true if new bees will be spawned.

Bell[]

Additional fields for bell:

Brewing Stand[]

Additional fields for brewing stand:

  • : The block entity's root tag.
    •  CookTime: The number of ticks until the potions are finished.
    •  FuelAmount: Remaining fuel for the brewing stand.
    •  FuelTotal: The max fuel numder for the fuel bar.
    •  Items: List of items in brewing stand.
      • : An item in the brewing stand, including the slot tag.
        •  Slot: The slot the item is in.
        • Tags common to item stack

Campfire and Soul Campfire[]

Additional fields for campfire and soul campfire:

  • : The block entity's root tag.
    •  Item<num>: (May not exist) An items currently cooking. <num> is 1, 2, 3, and 4.
      • Tags common to item stack
    •  ItemTime<num>: How long each item has been cooking. <num> is 1, 2, 3, and 4.

Cauldron[]

Additional fields for cauldron:

  • : The block entity's root tag.
    •  CustomColor: (May not exist) This tag exists only if the cauldron stores dyed water; stores a 32-bit ARGB encoded color.
    •  Items: List of items in this container.
      • : An item, including the slot tag.
        •  Slot: The inventory slot the item is in.
        • Tags common to item stack
    •  PotionId: If the cauldron contains a potion, this tag stores the ID of that potion. If there is no potion stored, then this tag is set to -1.
    •  PotionType: If the cauldron contains a potion, this tag stores the type of that potion. 0 is normal, 1 is splash, 2 is lingering. If there is no potion stored, then this tag is set to -1.

Chalkboard[]

Additional fields for chalkboard:

  • : The block entity's root tag.
    •  BaseX: The X position of its base.
    •  BaseY: The Y position of its base.
    •  BaseZ: The Z position of its base.
    •  Locked: 1 or 0 (true/false) - true if it is on locked.
    •  OnGround: 1 or 0 (true/false) - true if it is on ground.
    •  Owner: The Unique ID of its owner.
    •  Size: The size of this chalkboard.
    •  Text: The text on the chalkboard.

Chemistry Tables[]

Additional fields for chemistry tables (compound creator, element constructor, lab table, material reducer):

  • : The block entity's root tag.
    •  itemAux: (Only for Lab Table) Unknown.
    •  itemId: (Only for Lab Table) Unknown.
    •  itemStack: (Only for Lab Table) Unknown.

Chests[]

Additional fields for chest, trapped chest, barrel, and ender chest:

  • : The block entity's root tag.
    •  Findable: Unknown.
    •  forceunpair: 1 or 0 (true/false) - (may not exist) true if this chest is unpair with chest next to it.
    •  Items: List of items in this container.
      • : An item, including the slot tag.
        •  Slot: The inventory slot the item is in.
        • Tags common to item stack
    •  LootTable: (May not exist) Loot table to be used to fill the chest when it is next opened, or the items are otherwise interacted with.
    •  LootTableSeed: (May not exist) Seed for generating the loot table. 0 or omitted use a random seed.
    •  pairlead: (May not exist) Unknown.
    •  pairx: (May not exist) The X position of the chest paired with.
    •  pairz: (May not exist) The Z position of the chest paired with.

Chiseled Bookshelf[]

Additional fields for chiseled bookshelf:

  • : The block entity's root tag.
    •  Items: List of books in the bookshelf.
      • : An item in the chiseled bookshelf.
        • Tags common to item stack
    •  LastInteractedSlot: Last interacted slot (1-6), or 0 if no slot has been interacted with yet.

Command Block[]

Additional fields for command block:

  • : The block entity's root tag.
    • Tags common to command block
    •  auto: 1 or 0 (true/false) - Allows to activate the command without the requirement of a redstone signal.
    •  conditionalMode: (May not exist) Unknown.
    •  conditionMet: 1 or 0 (true/false) - if a conditional command block had its condition met when last activated. True if not a conditional command block.
    •  LPCondionalMode: Unknown.
    •  LPRedstoneMode: Unknown.
    •  LPCommandMode: Unknown.
    •  powered: 1 or 0 (true/false) - true if the command block is powered by redstone.

Comparator[]

Additional fields for comparator:

  • : The block entity's root tag.
    •  OutputSignal: Represents the strength of the analog signal output of this redstone comparator.

Conduit[]

Additional fields for conduit:

  • : The block entity's root tag.
    •  Active: 1 or 0 (true/false) - true if it is active.
    •  Target: The Unique ID of the hostile mob the conduit is currently attacking. If there's no target, defaults to -1.

Decorated Pot[]

Additional fields for decorated pot:

  • : The block entity's root tag.
    •  sherds: List of shards on this decorated pot.
      • : Item ID of this face. Defaults to minecraft:brick.

Dispenser and Dropper[]

Additional fields for dispenser and dropper:

  • : The block entity's root tag.
    •  Items: List of items in this container.
      • : An item, including the slot tag.
        •  Slot: The inventory slot the item is in.
        • Tags common to item stack
    •  LootTable: (May not exist) Loot table to be used to fill the chest when it is next opened, or the items are otherwise interacted with.
    •  LootTableSeed: (May not exist) Seed for generating the loot table. 0 or omitted use a random seed.

Enchanting Table[]

Additional fields for enchanting table:

  • : The block entity's root tag.
    •  CustomName: (May not exist) The name of this enchanting table.
    •  rott: The rotation of the book. [more information needed]

End Gateway[]

Additional fields for end gateway:

  • : The block entity's root tag.
    •  Age: Age of the portal, in ticks. This is used to determine when the beam is rendered.
    •  ExitPortal: Location entities are teleported to when entering the portal.
      • : X coordinate of target location.
      • : Y coordinate of target location.
      • : Z coordinate of target location.

Flower Pot[]

Additional fields for flower pot:

  • : The block entity's root tag.
    •  PlantBlock: (May not exist) The block in the pot.
      • Tags common to block

Furnace[]

Additional fields for furnace, smoker, and blast furnace:

  • : The block entity's root tag.
    •  BurnDuration: The total time that in ticks that the currently used fuel can burn.
    •  BurnTime: Number of ticks left before the current fuel runs out.
    •  CookTime: Number of ticks the item has been smelting for. The item finishes smelting when this value reaches 200 (10 seconds). Is reset to 0 if BurnTime reaches 0.[needs testing]
    •  Items: List of items in this container.
      • : An item in the furnace, including the slot tag.
        •  Slot: The inventory slot the item is in.
        • Tags common to item stack
    •  StoredXPInt: The number of experiences it stores.

Hopper[]

Additional fields for hopper:

  • : The block entity's root tag.
    •  Items: List of items in this container.
      • : An item, including the slot tag.
        •  Slot: The inventory slot the item is in.
        • Tags common to item stack
    •  TransferCooldown: Time until the next transfer in game ticks, naturally between 1 and 8 or 0 if there is no transfer.

Item Frame[]

Additional fields for item frame:

  • : The block entity's root tag.
    •  Item: The items in this item frame.
      • Tags common to item stack
    •  ItemDropChance: (May not exist) The chance of item dropping when the item frame is broken.
    •  ItemRotation: (May not exist) The rotation of the item in the item frame.

Jigsaw[]

Additional fields for jigsaw:

  • : The block entity's root tag.
    •  final_state: The block that this jigsaw block becomes.
    •  joint: The joint option value, either "rollable" or "aligned".
    •  name: The jigsaw block's name. This jigsaw block will be aligned with another structure's jigsaw block which has this value in the target tag.
    •  target: The jigsaw block's target name. This jigsaw block will be aligned with another structure's jigsaw block which has this value in the name tag.
    •  target_pool: The jigsaw block's target pool to select a structure from.

Jukebox[]

Additional fields for jukebox:

  • : The block entity's root tag.
    •  RecordItem: (May not exist) The record item in it.
      • Tags common to item stack

Lectern[]

Additional fields for lectern:

  • : The block entity's root tag.
    •  book: (May not exist) The book item currently on the lectern.
      • Tags common to item stack
    •  hasBook: 1 or 0 (true/false) - (may not exist) true if it has a book.
    •  page: (May not exist) The page the book is currently on, starting from 0.
    •  totalPages: (May not exist) The total pages the book has.

Lodestone[]

Additional fields for lodestone:

  • : The block entity's root tag.
    •  trackingHandle: (May not exist) The id of lodestone.

Monster Spawner[]

Additional fields for monster spawner:

  • : The block entity's root tag.
    • Tags common to monster spawner

Moving Block[]

Additional fields for moving block:

  • : The block entity's root tag.
    •  movingBlock: The main layer of moving block represented by this block entity.
      • Tags common to block
    •  movingBlockExtra: The extra moving block layer represented by this block entity.
      • Tags common to block
    •  movingEntity: (May not exist) The block entity stored in this moving block.
      • Tags common to block entity
    •  pistonPosX: X coordinate of the piston base.
    •  pistonPosY: Y coordinate of the piston base.
    •  pistonPosZ: Z coordinate of the piston base.

Note Block[]

Additional fields for note block:

  • : The block entity's root tag.
    •  note: The pitch of the note block.

Nether Reactor[]

Additional fields for nether reactor:

  • : The block entity's root tag.
    •  HasFinished: 1 or 0 (true/false) - true if the reactor has completed its activation phase, and has gone dark.
    •  IsInitialized: 1 or 0 (true/false) - true if the reactor has been activated, and has turned red.
    •  Progress: Number of ticks the reactor has been active for. It finishes after 900 game ticks (45 seconds).

Piston[]

Additional fields for piston:

  • : The block entity's root tag.
    •  AttachedBlocks: The list of positions of blocks it should move.
      • : A block's X coordinate.
      • : A block's Y coordinate.
      • : A block's Z coordinate.
      • : Another block's X coordinate.
      • : Another block's Y coordinate.
      • : Another block's Z coordinate.
      • : etc.
    •  BreakBlocks: The list of positions of blocks it should break.
      • : A block's X coordinate.
      • : A block's Y coordinate.
      • : A block's Z coordinate.
      • : Another block's X coordinate.
      • : Another block's Y coordinate.
      • : Another block's Z coordinate.
      • : etc.
    •  LastProgress: Progress in last tick.
    •  NewState: Next state. Can be 0 (unextended), 1 (pushing), 2 (extended), or 3 (pulling).
    •  Progress: How far the block has been moved. Can be 0.0, 0.5, and 1.0.
    •  State: Current state.
    •  Sticky: 1 or 0 (true/false) - true if this piston is sticky.

Sculk Catalyst[]

Additional fields for sculk catalyst:

  • : The block entity's root tag.
    •  cursors: List of charges associated with the sculk catalyst.
      • : A charge.
        •  charge: How much power is in the charge.
        •  decay: Be 1 if the charge was spread from a sculk or sculk vein, 0 otherwise. The charge can spread to any block if this tag is 1. If it is 0, all the powers in the charge disappear when it spreads to a block not in sculk family.[needs testing]
        •  facing: [more information needed]
        •  update: Delay in ticks until the charge begins to travel after being created.[needs testing]
        •  x: X coordinate of the charge.
        •  y: Y coordinate of the charge.
        •  z: Z coordinate of the charge.

Sculk Shrieker, Sculk Sensor, and Calibrated Sculk Sensor[]

Additional fields for sculk shrieker, sculk sensor, and calibrated sculk sensor:

  • : The block entity's root tag.
    •  VibrationListener: The vibration event listener of the sculk shrieker, sculk sensor, and calibrated sculk sensor.
      •  event: Unknown.
      •  pending: Unknown.
        •  distance: Unknown.
        •  source: Unknown.
        •  vibration: Unknown.
        •  x: Unknown.
        •  y: Unknown.
        •  z: Unknown.
      •  selector: Unknown.
      •  ticks: Unknown.

Shulker Box[]

Additional fields for shulker box:

  • : The block entity's root tag.

Sign and Hanging Sign[]

Additional fields for sign and hanging sign:

  • : The block entity's root tag.
    •  BackText: A compound which discribes back text. The same structure as  FrontText.
    •  FrontText: A compound which discribes front text.
      •  HideGlowOutline: 1 or 0 (true/false) - true if the outer glow of a sign with glowing text does not show.
      •  IgnoreLighting: 1 or 0 (true/false) - true if the sign has been dyed with a glow ink sac.
      •  PersistFormatting: Unknown. Defaults to 1.
      •  SignTextColor: The color that has been used to dye the sign. Is a 32-bit encoded color, defaults to -16777216 (black). One of -986896 for "White", -425955 for "Orange", -3715395 for "Magenta", -12930086 for "Light Blue", -75715 for "Yellow", -8337633 for "Lime", -816214 for "Pink", -12103854 for "Gray", -6447721 for "Light Gray", -15295332 for "Cyan", -7785800 for "Purple", -12827478 for "Blue", -8170446 for "Brown", -10585066 for "Green", -5231066 for "Red", and -16777216 for "Black".
      •  Text: The text on it.
      •  TextOwner: Unknown.
    •  IsWaxed: 1 or 0 (true/false) - true if the text is locked with honeycomb.

Skull[]

Additional fields for skull:

Structure Block[]

Additional fields for structure block:

  • : The block entity's root tag.
    •  animationMode: The mode of animation.[more information needed]
    •  animationSeconds: The duration of the animation.[more information needed]
    •  data: The mode of the structure block, values for data are the same as the data values for the item. Ex. 0 = Data, 1 = Save, 2 = Load, 3 = Corner, 4 = Inventory, 5 = Export.
    •  dataField: Unknown.
    •  ignoreEntities: 1 or 0 (true/false) - true if the entities should be ignored in the structure.
    •  integrity: How complete the structure is that gets placed.
    •  isPowered: 1 or 0 (true/false) - true if this structure block is being powered by redstone.
    •  mirror: How the structure is mirrored.[more information needed]
    •  redstoneSaveMode: The current redstone mode of this structure block.[more information needed]
    •  removeBlocks: 1 or 0 (true/false) - true if the blocks should be removed in the structure.
    •  rotation: Rotation of the structure.[more information needed]
    •  seed: The seed to use for the structure integrity, 0 means random.[needs testing]
    •  showBoundingBox: 1 or 0 (true/false) - true if show the structure's bounding box to players in Creative mode.
    •  structureName: Name of the structure.
    •  xStructureOffset: X-offset of the structure.
    •  yStructureOffset: Y-offset of the structure.
    •  zStructureOffset: Z-offset of the structure.
    •  xStructureSize: X-size of the structure.
    •  yStructureSize: Y-size of the structure.
    •  zStructureSize: Z-size of the structure.

Suspicious Block[]

Additional fields for suspicious sand and suspicious gravel:

  • : The block entity's root tag.
    •  brush_count: The number of times the suspicious block is being brushed by the player, from 1 to 10 (the item will be extracted when it reaches 10). If the player stops brushing, it will progressively return to 0. And if it hasn't been brushed yet, defaults to 0.
    •  brush_direction: The direction of the suspicious block that was brushed. 0 = Down, 1 = Up, 2 = North, 3 = South, 4 = West, 5 = East, or 6 if it has not been brushed yet.
    •  item: (May not exist) The item in the suspicious block.
      • Tags common to item stack
    •  LootTable: (May not exist) Loot table to be used to generate the hidden item when brushed.
    •  LootTableSeed: (May not exist) Seed for generating the loot table. 0 or omitted use a random seed.
    •  type: The type of suspicious block. Valid types are minecraft:suspicious_sand and minecraft:suspicious_gravel.
δΈ­ζ–‡
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