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Get Bone Name

Updated: Apr 15, 2026

Returns the display name string for a specified hand tracking bone ID from the EOculusXRBone enumeration. This function is defined in UOculusXRInputFunctionLibrary (module: OculusXRInput) and is exposed as a BlueprintPure node (no execution pin required) under the OculusLibrary > HandTracking category.

Blueprint

Arguments

Bone Id: The bone to look up, based on the EOculusXRBone enum values. See Bone ID values for the full list of accepted values grouped by anatomical region.

Bone ID values

Wrist and forearm

Display Name	Enum Value	Description
`Wrist Root`	`Wrist_Root`	Wrist root frame
`Hand Start`	`Hand_Start`	Alias for `Wrist_Root`. Marks the beginning of the bone range.
`Forearm Stub`	`Forearm_Stub`	Forearm frame

The thumb and pinky start at index _0 (trapezium and metacarpal, respectively), while the index, middle, and ring fingers begin at the proximal phalange (index _1).

Thumb

Display Name	Enum Value	Description
`Thumb0`	`Thumb_0`	Trapezium
`Thumb1`	`Thumb_1`	Metacarpal
`Thumb2`	`Thumb_2`	Proximal phalange
`Thumb3`	`Thumb_3`	Distal phalange

Index finger

Display Name	Enum Value	Description
`Index1`	`Index_1`	Proximal phalange
`Index2`	`Index_2`	Intermediate phalange
`Index3`	`Index_3`	Distal phalange

Middle finger

Display Name	Enum Value	Description
`Middle1`	`Middle_1`	Proximal phalange
`Middle2`	`Middle_2`	Intermediate phalange
`Middle3`	`Middle_3`	Distal phalange

Ring finger

Display Name	Enum Value	Description
`Ring1`	`Ring_1`	Proximal phalange
`Ring2`	`Ring_2`	Intermediate phalange
`Ring3`	`Ring_3`	Distal phalange

Pinky finger

Display Name	Enum Value	Description
`Pinky0`	`Pinky_0`	Metacarpal
`Pinky1`	`Pinky_1`	Proximal phalange
`Pinky2`	`Pinky_2`	Intermediate phalange
`Pinky3`	`Pinky_3`	Distal phalange

Fingertips

Display Name	Enum Value	Description
`Thumb Tip`	`Thumb_Tip`	Thumb tip (position-only, not used for mesh skinning)
`Max Skinnable`	`Max_Skinnable`	Alias for `Thumb_Tip`. Bones 0–19 are skinnable and deform the hand mesh. Bones 20–23 are position-only tip markers.
`Index Tip`	`Index_Tip`	Index tip (position-only)
`Middle Tip`	`Middle_Tip`	Middle tip (position-only)
`Ring Tip`	`Ring_Tip`	Ring tip (position-only)
`Pinky Tip`	`Pinky_Tip`	Pinky tip (position-only)

Sentinels

These values are range boundaries and do not represent physical bones.

Display Name	Enum Value	Description
`Hand End`	`Hand_End`	Sentinel marking the end of the valid bone range
`Hand Max`	`Bone_Max`	Alias for `Hand_End`. Boundary for valid bone range.
`Invalid`	`Invalid`	Sentinel for error or unset state. Returned when a bone ID is out of range.

Output

Return Value: The bone display name as a string. The function resolves the UMETA(DisplayName) metadata for the given EOculusXRBone value. Examples: