[UContextualAnimSceneInstance](API\Plugins\ContextualAnimation\UContextualAnimSceneInstance) * TryStartScene ( const [UContextualAnimSceneAsset](API\Plugins\ContextualAnimation\UContextualAnimSceneAsset) & SceneAsset, const [FContextualAnimStartSceneParams](API\Plugins\ContextualAnimation\FContextualAnimStartSceneParams) & Params )