---
title: blendParameterDefinition
framework: phase
role: symbol
role_heading: Instance Property
path: phase/phaseblendnodedefinition/blendparameterdefinition
---

# blendParameterDefinition

The meta parameter definition that caps the blend range.

## Declaration

```swift
var blendParameterDefinition: PHASENumberMetaParameterDefinition? { get }
```

## Discussion

Discussion The framework sets the value of this property to the init(blendMetaParameterDefinition:) argument.

## See Also

### Accessing Blend Properties

- [spatialMixerDefinitionForDistance](phase/phaseblendnodedefinition/spatialmixerdefinitionfordistance.md)