---
title: rateMetaParameter
framework: phase
role: symbol
role_heading: Instance Property
path: phase/phasestreamnode/ratemetaparameter
---

# rateMetaParameter

## Declaration

```swift
var rateMetaParameter: PHASENumberMetaParameter? { get }
```

## Discussion

Discussion If specified during construction, the metaparameter for controlling rate/pitch will be available here