> For the complete documentation index, see [llms.txt](https://docs.existent.com/documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.existent.com/documentation/v0.0.1/guides/customising-player-avatar/mappings.md).

# Mappings

The first step is to create bone mappings for the custom skeleton. Right click anywhere in the content browser and under the category Existent choose HandBoneMappings.

<figure><img src="https://lh7-us.googleusercontent.com/6pAC3sEa14Ynbzd3X0nzvlXv_9-8zaQvJ7ShOqv_5UygcEG5dgOSmpebYgIxiGX2cQHEkeH3jcjHDtBRjNN9rqv_ylw5-eywVtiDCqlm-UjFtA1u0TB73zKu7tMiCycADpzuFi2Lk_xEwr67iQTxKg" alt=""><figcaption></figcaption></figure>

Next create a BodyBoneMappings asset.

<figure><img src="https://lh7-us.googleusercontent.com/PT6lSJmcj3fgTFk0DVoHugd5QHjNNXuRN8t77KC0BcCS-387I_DtOKRNPF47gNCUHzn18z94ChDoqMYaiiKhaRvl1cbqr6u4Ww331m3dTPOjs8iPwMLWKgjRc1s0mqw6G_0tPVio6PjV62eOc23MEQ" alt=""><figcaption></figcaption></figure>

Finally create a TrackerMappings asset.

<figure><img src="https://lh7-us.googleusercontent.com/uhRMZPbK6bjobe3RIJx_8hzsNWKMjKmMKFeTsRulbDjAB3ZqoT_0iii5JRJR3oP8lURXIPw5ONYotydFXXV1018HXYBsnHbUbN1proGCsFQVfO90jCLZzCK_gZIk7VydeUnjwSD9XKsnXcwzNs9Ptw" alt=""><figcaption></figcaption></figure>