# GetRefSkeletonBoneLength

[ExistentDocumentation](https://docs.existent.com/documentation/v0.0.2/resources/existent-api/index) > [ExistentAnimationLibrary](https://docs.existent.com/documentation/v0.0.2/resources/existent-api/index/existentanimationlibrary) > Get Ref Skeleton Bone Length

## Get Ref Skeleton Bone Length

Get the bone length from the ref skeleton

![](https://1025885933-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FjTXidr233g5QQ4gNDcFu%2Fuploads%2Fgit-blob-da76383010c7742f19e24324c7f58f4ea6a0bd22%2Fnd_img_GetRefSkeletonBoneLength.png?alt=media)

#### Inputs

|                                                                         |                                                |
| ----------------------------------------------------------------------- | ---------------------------------------------- |
| <p><strong>Skinned Asset</strong><br>Skinned Asset Object Reference</p> | The skinned asset to get the ref skeleton from |
| <p><strong>Bone Name</strong><br>Name</p>                               | The bone name to get the length for            |

#### Outputs

|                                                                  |                        |
| ---------------------------------------------------------------- | ---------------------- |
| <p><strong>Return Value</strong><br>Float (single-precision)</p> | The length of the bone |