---
title: segmented_caching.failed
summary: null
url: >-
  https://www.fastly.com/documentation/reference/vcl/variables/segmented-caching/segmented-caching-failed
---

**Type:** BOOL  
**Access:** read-only

**Available in:** log

Whether segmented caching was enabled and ended in a failure.

When this variable evaluates to `true`, the variable
`segmented_caching.error`
will evaluate to a string describing the nature of the failure.