# The Runtime Data Asset

{% hint style="info" %}
IMPORTANT: any time your mesh changes or is re-imported in the editor, the runtime data asset MUST be regenerated, just right-click on it, open the Morph Tools Actions menu, and click "Regenerate" to regenerate the data.
{% endhint %}

As of Unreal Engine 5, morph target data is no longer kept in the cooked build. Thus for Morph Tools to work in a packaged game, it requires a MorphToolsRuntimeDataAsset asset for all your meshes. these are easy to create, just right click your skeletal mesh -> Morph Tools Actions -> Generate Runtime Data Asset. This asset is a required parameter for many runtime functions. The asset is really just a container for morph target data that can be included in your cooked build so you can do morph target operations at runtime.

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### Regeneration
