---
title: prim
framework: usdkit
role: symbol
role_heading: Instance Property
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: usdkit/usdprim/specializecollection/prim
---

# prim

The prim that owns these specializes arcs.

## Declaration

```swift
var prim: USDPrim { get }
```