Minecraft:Bedrock Edition level format/Block entity format: Difference between revisions

Revision as of 15:37, 9 April 2026

Template:Missing information Template:Exclusive This page lists NBT structures of block entities Template:In.

A Minecraft: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:

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

Additional fields for block entity types

Banner

Additional fields for Minecraft:banner:

Template:Nbt: The block entity's root tag.
- Template:Nbt: The base color of the banner. See Minecraft:Banner#Block_data.
- Template:Nbt: (May not exist) List of all patterns applied to the banner.
  - Template:Nbt: An individual pattern.
    - Template:Nbt: The base color of the pattern. See Minecraft:Banner#Block_data.
    - Template:Nbt: The pattern ID code. See Minecraft:Banner#Block_data.
- Template:Nbt: The type of the block entity. 0 is normal banner. 1 is ominous banner.

Beacon

Additional fields for Minecraft:beacon:

Template:Nbt: The block entity's root tag.
- Template:Nbt: The primary effect selected, see Potion effects for IDs. Set to 0 when no effect is selected.
- Template:Nbt: 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.Template:Needs testing

Bed

Additional fields for Minecraft:bed:

Template:Nbt: The block entity's root tag.
- Template:Nbt: 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 Minecraft:Bed#Metadata.

Beehive and Bee Nest

Additional fields for Minecraft:beehive and bee nest:

Template:Nbt: The block entity's root tag.
- Template:Nbt: (May not exist) Entities currently in the hive.
  - Template:Nbt: An entity in the hive.
    - Template:Nbt: The entity in the hive. Always minecraft:bee<> in vanilla game. Template:More info
    - Template:Nbt: The NBT data of the entity in the hive.
      - Template:Bedrock nbt
      - Tags unique to this entity type.
    - Template:Nbt: The time in ticks until the entity leave the beehive.
- Template:Nbt: 1 or 0 (true/false) - true if new bees will be spawned.

Bell

Additional fields for Minecraft:bell:

Template:Nbt: The block entity's root tag.
- Template:Nbt: The direction data of this bell.Template:More info
- Template:Nbt: 1 or 0 (true/false) - true if it is ringing.
- Template:Nbt: Unknown.Template:More info

Brewing Stand

Additional fields for brewing stand:

Template:Nbt: The block entity's root tag.
- Template:Nbt: The number of ticks until the potions are finished.
- Template:Nbt: Remaining fuel for the brewing stand.
- Template:Nbt: The max fuel numder for the fuel bar.
- Template:Nbt: List of items in brewing stand.
  - Template:Nbt: An item in the brewing stand, including the slot tag.
    - Template:Nbt: The slot the item is in.
    - Template:Bedrock nbt

Campfire and Soul Campfire

Additional fields for Minecraft:campfire and soul campfire:

Template:Nbt: The block entity's root tag.
- Template:Nbt: (May not exist) An items currently cooking. <num> is 1, 2, 3, and 4.
  - Template:Bedrock nbt
- Template:Nbt: How long each item has been cooking. <num> is 1, 2, 3, and 4.

Cauldron

Additional fields for Minecraft:cauldron:

Template:Nbt: The block entity's root tag.
- Template:Nbt: (May not exist) This tag exists only if the cauldron stores dyed water; stores a 32-bit ARGB encoded color.
- Template:Nbt: List of items in this container.
  - Template:Nbt: An item, including the slot tag.
    - Template:Nbt: The inventory slot the item is in.
    - Template:Bedrock nbt
- Template:Nbt: 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.
- Template:Nbt: 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 Minecraft:chalkboard:

Template:Nbt: The block entity's root tag.
- Template:Nbt: The X position of its base.
- Template:Nbt: The Y position of its base.
- Template:Nbt: The Z position of its base.
- Template:Nbt: 1 or 0 (true/false) - true if it is on locked.
- Template:Nbt: 1 or 0 (true/false) - true if it is on ground.
- Template:Nbt: The Unique ID of its owner.
- Template:Nbt: The size of this chalkboard.
- Template:Nbt: The text on the chalkboard.

Chemistry Tables

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

Template:Nbt: The block entity's root tag.
- Template:Nbt: (Only for Lab Table) The Aux value of the item to be spawned.
- Template:Nbt: (Only for Lab Table) The numeral ID value of the item to be spawned.
- Template:Nbt: (Only for Lab Table) The item stack amount of the item to be spawned.

Chests

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

Template:Nbt: The block entity's root tag.
- Template:Nbt: Unknown.
- Template:Nbt: 1 or 0 (true/false) - (may not exist) true if this chest is unpair with chest next to it.
- Template:Nbt: List of items in this container.
  - Template:Nbt: An item, including the slot tag.
    - Template:Nbt: The inventory slot the item is in.
    - Template:Bedrock nbt
- Template:Nbt: (May not exist) Loot table to be used to fill the chest when it is next opened, or the items are otherwise interacted with.
- Template:Nbt: (May not exist) Seed for generating the loot table. 0 or omitted use a random seed.
- Template:Nbt: (May not exist) Unknown.
- Template:Nbt: (May not exist) The X position of the chest paired with.
- Template:Nbt: (May not exist) The Z position of the chest paired with.

Chiseled Bookshelf

Additional fields for chiseled bookshelf:

Template:Nbt: The block entity's root tag.
- Template:Nbt: List of books in the bookshelf.
  - Template:Nbt: An item in the chiseled bookshelf.
    - Template:Bedrock nbt
- Template:Nbt: Last interacted slot (1-6), or 0 if no slot has been interacted with yet.

Command Block

Additional fields for command block:

Template:Nbt: The block entity's root tag.
- Template:Bedrock nbt
- Template:Nbt: 1 or 0 (true/false) - Allows to activate the command without the requirement of a redstone signal.
- Template:Nbt: (May not exist) Unknown.
- Template:Nbt: 1 or 0 (true/false) - if a conditional command block had its condition met when last activated. True if not a conditional command block.
- Template:Nbt: Unknown.
- Template:Nbt: Unknown.
- Template:Nbt: Unknown.
- Template:Nbt: 1 or 0 (true/false) - true if the command block is powered by redstone.

Comparator

Additional fields for comparator:

Template:Nbt: The block entity's root tag.
- Template:Nbt: Represents the strength of the analog signal output of this redstone comparator.

Conduit

Additional fields for Minecraft:conduit:

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

Copper Golem Statue

Additional fields for copper golem statue:

Template:Nbt: The block entity's root tag.
- Template:Nbt: Data for the entity associated with the statue.
  - Template:Nbt: The entity's identifier. Always minecraft:copper_golem<>.
  - Template:Nbt: The NBT data of the entity (the copper golem) while it is in the statue state.
    - Template:Bedrock nbt
- Template:Nbt: The current visual pose of the statue from 0 to 3, 0 for standing pose, 1 for sitting pose, 2 for running pose and 3 for star pose.

Crafter

Additional fields for Minecraft:crafter:

Template:Nbt: The block entity's root tag.
- Template:Nbt: Indexes of slots that are disabled.
- Template:Nbt: List of items in the crafter.
  - Template:Nbt: An item in the crafter, including the slot tag. Crafter slots are numbered 0-8. 0 starts in the top left corner.
    - Template:Nbt: The inventory slot the item is in.
    - Template:Bedrock nbt

Decorated Pot

Additional fields for decorated pot:

Template:Nbt: The block entity's root tag.
- Template:Nbt: (May not exist) Loot table to be used to fill the decorated pot when it is next opened, or the items are otherwise interacted with.
- Template:Nbt: (May not exist) Seed for generating the loot table. 0 or omitted use a random seed.
- Template:Nbt: (May not exist) Unknown.
- Template:Nbt: The item in the decorated pot.
  - Template:Bedrock nbt
- Template:Nbt: List of sherds on this decorated pot.
  - Template:Nbt: Item ID of this face. Defaults to minecraft:brick.

Dispenser and Dropper

Additional fields for Minecraft:dispenser and Minecraft:dropper:

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

Enchantment Table

Additional fields for Enchantment table:

Template:Nbt: The block entity's root tag.
- Template:Nbt: (May not exist) The name of this enchantment table.
- Template:Nbt: The clockwise rotation of the book in radians. Top of the book points West when 0.

End Gateway

Additional fields for end gateway:

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

Flower Pot

Additional fields for flower pot:

Template:Nbt: The block entity's root tag.
- Template:Nbt: (May not exist) The block in the pot.
  - Template:Bedrock nbt

Furnace

Additional fields for Minecraft:furnace, Minecraft:smoker, and blast furnace:

Template:Nbt: The block entity's root tag.
- Template:Nbt: The total time that in ticks that the currently used fuel can burn.
- Template:Nbt: Number of ticks left before the current fuel runs out.
- Template:Nbt: 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.Template:Needs testing
- Template:Nbt: List of items in this container.
  - Template:Nbt: An item in the furnace, including the slot tag.
    - Template:Nbt: The inventory slot the item is in.
    - Template:Bedrock nbt
- Template:Nbt: The number of experiences it stores.

Hopper

Additional fields for Minecraft:hopper:

Template:Nbt: The block entity's root tag.
- Template:Nbt: List of items in this container.
  - Template:Nbt: An item, including the slot tag.
    - Template:Nbt: The inventory slot the item is in.
    - Template:Bedrock nbt
- Template:Nbt: 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:

Template:Nbt: The block entity's root tag.
- Template:Nbt: The items in this item frame.
  - Template:Bedrock nbt
- Template:Nbt: (May not exist) The chance of item dropping when the item frame is broken.
- Template:Nbt: (May not exist) The rotation of the item in the item frame.

Jigsaw

Additional fields for jigsaw:

Template:Nbt: The block entity's root tag.
- Template:Nbt: The block that this jigsaw block becomes.
- Template:Nbt: The joint option value, either "rollable" or "aligned".
- Template:Nbt: 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.
- Template:Nbt: 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.
- Template:Nbt: The jigsaw block's target pool to select a structure from.

Jukebox

Additional fields for Minecraft:jukebox:

Template:Nbt: The block entity's root tag.
- Template:Nbt: (May not exist) The record item in it.
  - Template:Bedrock nbt

Lectern

Additional fields for Minecraft:lectern:

Template:Nbt: The block entity's root tag.
- Template:Nbt: (May not exist) The book item currently on the lectern.
  - Template:Bedrock nbt
- Template:Nbt: 1 or 0 (true/false) - (may not exist) true if it has a book.
- Template:Nbt: (May not exist) The page the book is currently on, starting from 0.
- Template:Nbt: (May not exist) The total pages the book has.

Lodestone

Additional fields for Minecraft:lodestone:

Template:Nbt: The block entity's root tag.
- Template:Nbt: (May not exist) The id of lodestone.

Monster Spawner

Additional fields for monster spawner:

Template:Nbt: The block entity's root tag.
- Template:Bedrock nbt

Moving Block

Additional fields for moving block:

Template:Nbt: The block entity's root tag.
- Template:Nbt: The main layer of moving block represented by this block entity.
  - Template:Bedrock nbt
- Template:Nbt: The extra moving block layer represented by this block entity.
  - Template:Bedrock nbt
- Template:Nbt: (May not exist) The block entity stored in this moving block.
  - Template:Bedrock nbt
- Template:Nbt: X coordinate of the piston base.
- Template:Nbt: Y coordinate of the piston base.
- Template:Nbt: Z coordinate of the piston base.

Note Block

Additional fields for note block:

Template:Nbt: The block entity's root tag.
- Template:Nbt: The pitch of the note block.

Nether Reactor

Additional fields for nether reactor:

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

Piston

Additional fields for Minecraft:piston:

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

Sculk Catalyst

Additional fields for sculk catalyst:

Template:Nbt: The block entity's root tag.
- Template:Nbt: List of charges associated with the sculk catalyst.
  - Template:Nbt: A charge.
    - Template:Nbt: How much power is in the charge.
    - Template:Nbt: 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.Template:Needs testing
    - Template:Nbt: Template:Info needed
    - Template:Nbt: Delay in ticks until the charge begins to travel after being created.Template:Needs testing
    - Template:Nbt: X coordinate of the charge.
    - Template:Nbt: Y coordinate of the charge.
    - Template:Nbt: Z coordinate of the charge.

Sculk Shrieker, Sculk Sensor, and Calibrated Sculk Sensor

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

Template:Nbt: The block entity's root tag.
- Template:Nbt: The vibration event listener of the sculk shrieker, sculk sensor, and calibrated sculk sensor.
  - Template:Nbt: Unknown.
  - Template:Nbt: Unknown.
    - Template:Nbt: Unknown.
    - Template:Nbt: Unknown.
    - Template:Nbt: Unknown.
    - Template:Nbt: Unknown.
    - Template:Nbt: Unknown.
    - Template:Nbt: Unknown.
  - Template:Nbt: Unknown.
  - Template:Nbt: Unknown.

Shelf

Additional fields for Minecraft:shelf:

Template:Nbt: The block entity's root tag.
- Template:Nbt: List of items in the shelf. Unlike other containers, the order in the list determines the visual position.
  - Template:Nbt: An item in the shelf.
    - Template:Bedrock nbt

Shulker Box

Additional fields for shulker box:

Template:Nbt: The block entity's root tag.
- Template:Bedrock nbt
- Template:Nbt: The facing of this shulker box.Template:More info

Sign and Hanging Sign

Additional fields for Minecraft:sign and hanging sign:

Template:Nbt: The block entity's root tag.
- Template:Nbt: A compound which discribes back text. The same structure as Template:Nbt.
- Template:Nbt: A compound which discribes front text.
  - Template:Nbt: 1 or 0 (true/false) - true if the outer glow of a sign with glowing text does not show.
  - Template:Nbt: 1 or 0 (true/false) - true if the sign has been dyed with a glow ink sac.
  - Template:Nbt: Unknown. Defaults to 1.
  - Template:Nbt: 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".
  - Template:Nbt: The text on it.
  - Template:Nbt: Unknown.
- Template:Nbt: 1 or 0 (true/false) - true if the text is locked with Minecraft:honeycomb.

Skull

Additional fields for skull:

Template:Nbt: The block entity's root tag.
- Template:Nbt: 1 or 0 (true/false) - true if this dragon head's mouth is moving.
- Template:Nbt: The animation frame of the dragon head's mouth movement.Template:Needs testing
- Template:Nbt: The rotation of this skull.Template:More info
- Template:Nbt: The type of this skull. (unused, only exists for backwards compatibility for flattened IDs) 0 = Skeleton, 1 = Wither Skeleton, 2 = Minecraft:Zombie, 3 = Player, 4 = Creeper, 5 = Ender Dragon, 6 = Minecraft:Piglin.

Structure Block

Additional fields for structure block:

Template:Nbt: The block entity's root tag.
- Template:Nbt: The mode of animation.Template:More info
- Template:Nbt: The duration of the animation.Template:More info
- Template:Nbt: 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.
- Template:Nbt: Unknown.
- Template:Nbt: 1 or 0 (true/false) - true if the entities should be ignored in the structure.
- Template:Nbt: How complete the structure is that gets placed.
- Template:Nbt: 1 or 0 (true/false) - true if this structure block is being powered by redstone.
- Template:Nbt: How the structure is mirrored.Template:More info
- Template:Nbt: The current redstone mode of this structure block.Template:More info
- Template:Nbt: 1 or 0 (true/false) - true if the blocks should be removed in the structure.
- Template:Nbt: Rotation of the structure.Template:More info
- Template:Nbt: The seed to use for the structure integrity, 0 means random.Template:Needs testing
- Template:Nbt: 1 or 0 (true/false) - true if show the structure's bounding box to players in Creative mode.
- Template:Nbt: Name of the structure.
- Template:Nbt: X-offset of the structure.
- Template:Nbt: Y-offset of the structure.
- Template:Nbt: Z-offset of the structure.
- Template:Nbt: X-size of the structure.
- Template:Nbt: Y-size of the structure.
- Template:Nbt: Z-size of the structure.

Suspicious Block

Additional fields for suspicious sand and suspicious gravel:

Template:Nbt: The block entity's root tag.
- Template:Nbt: 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.
- Template:Nbt: 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.
- Template:Nbt: (May not exist) The item in the suspicious block.
  - Template:Bedrock nbt
- Template:Nbt: (May not exist) Loot table to be used to generate the hidden item when brushed.
- Template:Nbt: (May not exist) Seed for generating the loot table. 0 or omitted use a random seed.
- Template:Nbt: The type of suspicious block. Valid types are minecraft:suspicious_sand and minecraft:suspicious_gravel.

Trial Spawner

Additional fields for trial spawner and ominous trial spawner:

Template:Nbt: The block entity's root tag.
- Template:Nbt: Between 1 and 128. Defaults to 14. — Maximum distance in blocks for players to join the battle.
- Template:Nbt: Optional, see configuration for defaults. — The configuration to use when not ominous.
  - Template:Nbt: Between 1 and 128. Defaults to 4. — Maximum distance in blocks that mobs can spawn.
  - Template:Nbt: Defaults to 6. — Total amount of mobs spawned before cooldown for a single player.
  - Template:Nbt: Defaults to 2. — The amount of spawned mobs from this spawner that are allowed to exist simultaneously.
  - Template:Nbt: Defaults to 2. — Amount of total mobs added for each additional player.
  - Template:Nbt: Defaults to 1. — Amount of simultaneous mobs added for each additional player.
  - Template:Nbt: Defaults to 20. — Time in ticks between spawn attempts.
  - Template:Nbt: Defaults to 36000. — Time in ticks of the cooldown period. Includes the time spend dispensing the reward.
  - Template:Nbt: List of possible entities to spawn.
    - Template:Nbt: A potential future spawn. After the spawner makes an attempt at spawning, it chooses one of these entries at random and uses it to prepare for the next spawn.
      - Template:Nbt: The chance that this spawn gets picked in comparison to other spawn weights. Must be positive and at least 1.
      - Template:Nbt:
        Template:Nbt:
        Template:Nbt: An entity ID.
        
        Template:Nbt: Optional. Determines the equipment the entity will wear.
        Template:Nbt: A path to a loot table.
        
        Template:Nbt: Optional. Chances for the equipment to drop upon death.
        Template:Nbt: Chance (0.0–1.0) for the head slot item to drop.
        
        Template:Nbt: Chance (0.0–1.0) for the chest slot item to drop.
        
        Template:Nbt: Chance (0.0–1.0) for the legs slot item to drop.
        
        Template:Nbt: Chance (0.0–1.0) for the feet slot item to drop.
        
        Template:Nbt: Chance (0.0–1.0) for the main hand item to drop.
        
        Template:Nbt: Chance (0.0–1.0) for the off hand item to drop.
  - Template:Nbt: List of possible loot tables to give as reward.
    - Template:Nbt: A potential loot table.
      - Template:Nbt: The chance that this loot table gets picked in comparison to other loot table weights. Must be positive and at least 1.
      - Template:Nbt: A path to a loot table.
  - Template:Nbt: Defaults to loot_tables/spawners/trial_chamber/items_to_drop_when_ominous.json — A path to a loot table. Determines the items used by ominous item spawners spawned during the active phase when ominous. Ignored in normal mode.
- Template:Nbt: Optional, defaults to Template:Nbt. When individual entries are omitted, they also default to their setting in Template:Nbt. — The configuration to use when ominous.
- Template:Nbt: A set of player UUIDs. — All the players that have joined the battle.
  - Template:Nbt: A player UUID.
    - Template:Nbt: The UUID.
- Template:Nbt: A set of mob UUIDs. — The mobs that were spawned by this spawner and are still alive.
  - Template:Nbt: An entity UUID.
    - Template:Nbt: The UUID.
- Template:Nbt: Gametime in ticks when the cooldown ends. 0 if not currently in cooldown.
- Template:Nbt: Gametime in ticks when the next spawn attempt happens. 0 if not currently active.
- Template:Nbt: The next mob to attempt to spawn. Selected from Template:Nbt after the last attempt. Determines the mob displayed in the spawner.
  - Template:Nbt: An entity ID.
  - Template:Nbt: Selection weight for the current active spawn.
  - Template:Nbt: Optional. Same structure as the equipment found in Template:Nbt.
- Template:Nbt: A path to the loot table that is given as reward. Unset if not currently giving rewards. Selected from Template:Nbt after all mobs are defeated.

Vault

Additional fields for Minecraft:vault and ominous vault:

Template:Nbt: The block entity's root tag.
- Template:Nbt: Configuration data that does not automatically change. All fields are optional.
  - Template:Nbt: The range in blocks when the vault should activate. Defaults to 4.
  - Template:Nbt: The range in blocks when the vault should deactivate. Defaults to 4.5.
  - Template:Nbt: A path to the loot table that is ejected when unlocking the vault. Defaults to loot_tables/chests/trial_chambers/reward.json for normal vaults and loot_tables/chests/trial_chambers/reward_ominous.json for ominous vaults.
  - Template:Nbt: A path to the loot table that is used to display items in the vault. If not present, the game will use the Template:Nbt field.
  - Template:Nbt: The key item that is used to check for valid keys. Defaults to minecraft:trial_key for normal vaults and minecraft:ominous_trial_key for ominous vaults.
    - Template:Bedrock nbt
- Template:Nbt: Data that is used to keep track of the current state of the vault.
  - Template:Nbt: The item that is currently being displayed.
    - Template:Bedrock nbt
  - Template:Nbt: List of item stacks that have been rolled by the loot table and are waiting to be ejected.
    - Template:Nbt: An item stack.
      - Template:Bedrock nbt
  - Template:Nbt: A set of player UUIDs that have already received their rewards from this vault.
    - Template:Nbt: A UUID.
  - Template:Nbt: The game time when the vault will process block state changes, such as changing from unlocking to ejecting after a delay.
  - Template:Nbt: The total amount of item stacks that need to be ejected.

pt:Formato de nível da Edição Bedrock/Formatos de bloco-entidade zh:基岩版存档格式/方块实体格式