---
title: kCMMemoryPoolOption_AgeOutPeriod
framework: coremedia
role: symbol
role_heading: Global Variable
path: coremedia/kcmmemorypooloption_ageoutperiod
---

# kCMMemoryPoolOption_AgeOutPeriod

The period of time before the pool recycles its memory.

## Declaration

```swift
let kCMMemoryPoolOption_AgeOutPeriod: CFString
```

## Discussion

Discussion Pass a value for this option to the CMMemoryPoolCreate(options:) function.