---
title: "setCustomData(_:to:)"
framework: usdkit
role: symbol
role_heading: Instance Method
path: "usdkit/usdprim/spec/setcustomdata(_:to:)"
---

# setCustomData(_:to:)

Sets key in the custom data dictionary to value.

## Declaration

```swift
func setCustomData(_ key: String, to value: USDValue)
```

## Parameters

- `key`: The dictionary key.
- `value`: The new value.