> ## Documentation Index
> Fetch the complete documentation index at: https://vital-mintlify-b5cdfa79.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# daily.data.forced_expiratory_volume_1.created

> Webhook fired when new daily forced expiratory volume (FEV1) data is available for a user from a connected provider.