Entity

Tag Name

Tag Type

Type Enforced

Example

Notes

string

✓

Not written to entity NBT; can neither test for it nor assign it.
It is, however, written to the Entities list in the chunk format.

Pos

List (Double)

✓

/entitydata @e {Pos:[0.0,0.0,0.0]}

Cannot be used with /summon because /summon's coordinates override the "Pos" tag.

Motion

List (Double)

✓

/entitydata @e {Motion:[0.0,0.5,0.0]}

Rotation

List (Float)

✓

/entitydata @e {Rotation:[0.0f,90.0f]}

FallDistance

Float

/summon Creeper ~ ~3 ~ {FallDistance:30}
/testfor @e {FallDistance:30.0f}

Fire

Short

/summon Creeper ~ ~1 ~ {Fire:100}
/testfor @e {Fire:30s}

Air

Short

/summon Creeper ~ ~1 ~ {Air:300}
/testfor @e {Air:300s}

OnGround

Byte (Boolean)

/testfor @e {OnGround:0b}

Dimension

Integer

/summon Creeper ~ ~1 ~ {Dimension:50}

Value will only change if the entity travels to another dimension.

Invulnerable

Byte (Boolean)

/summon Creeper ~ ~1 ~ {Invulnerable:1}
/testfor @e {Invulnerable:1b}

PortalCooldown

Integer

/summon Creeper ~ ~1 ~ {PortalCooldown:100}

UUIDLeast

Long

✓

/summon Creeper ~ ~1 ~ {UUIDLeast:1l}

Requires UUIDMost to be defined. Do not have multiple entities with the same UUID!

UUIDMost

Long

✓

/summon Creeper ~ ~1 ~ {UUIDMost:1l}

Requires UUIDLeast to be defined. Do not have multiple entities with the same UUID!

UUID

String

✓

/summon Creeper ~ ~1 ~ {UUID:"1-2-3-4-5"}

Do not use this tag, use UUIDLeast and UUIDMost instead.

CustomName

String

✓

/summon Creeper ~ ~1 ~ {CustomName:"Name"}

Does not support the JSON text component.
Does not exist unless specified.

CustomNameVisible

Byte (Boolean)

/summon Creeper ~ ~1 ~ {CustomNameVisible:1}
/testfor @e {CustomNameVisible:1b}

Does not exist unless "CustomName" exists.

Silent

Byte (Boolean)

/summon Creeper ~ ~1 ~ {Silent:1}
/testfor @e {Silent:1b}

Does not exist unless specified.

Riding

Compound

✓

/testfor @e {Riding:{}}

Will not exist if entity is not riding another entity.

Tag Name	Tag Type	Type Enforced	Example	Notes
id	String	✓	/summon Creeper ~ ~1 ~ {Riding:{id:"Creeper"}}	-

CommandStats

Compound

✓

/summon Creeper ~ ~1 ~ {CommandStats:{}}

Tag Name	Tag Type	Type Enforced	Example	Notes
SuccessCountName	String	✓	/summon Creeper ~ ~1 ~ {CommandStats:{SuccessCountName:"Player"}}	Requires "SuccessCountObjective".
SuccessCountObjective	String	✓	/summon Creeper ~ ~1 ~ {CommandStats:{SuccessCountObjective:"Objective"}}	Requires "SuccessCountName".
AffectedItemsName	String	✓	/summon Creeper ~ ~1 ~ {CommandStats:{AffectedItemsName:"Player"}}	Requires "AffectedItemsObjective".
AffectedItemsObjective	String	✓	/summon Creeper ~ ~1 ~ {CommandStats:{AffectedItemsObjective:"Objective"}}	Requires "AffectedItemsName".
AffectedBlocksName	String	✓	/summon Creeper ~ ~1 ~ {CommandStats:{AffectedBlocksName:"Player"}}	Requires "AffectedBlocksObjective".
AffectedBlocksObjective	String	✓	/summon Creeper ~ ~1 ~ {CommandStats:{AffectedBlocksObjective:"Objective"}}	Requires "AffectedBlocksName".
QueryResultName	String	✓	/summon Creeper ~ ~1 ~ {CommandStats:{QueryResultName:"Player"}}	Requires "QueryResultObjective".
QueryResultObjective	String	✓	/summon Creeper ~ ~1 ~ {CommandStats:{QueryResultObjective:"Objective"}}	Requires "QueryResultName".