---
title: weight
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/blendtreenode/weight
---

# weight

A normalized percentage that designates how much effect this node has relative to peer nodes.

## Declaration

```swift
var weight: BlendWeight { get set }
```

## Discussion

Discussion The value of this property relates to the node’s peers in a sources array. The sum of all node weights in a given sources array needs to equal 1.0.

## See Also

### Configuring the blend tree node

- [name](realitykit/blendtreenode/name.md)