---
url: /api/plugins/pantoken/deprecations/src/functions/parseUpstreamRef.md
---
[pantoken-root](../../../../../index.md) / [plugins/pantoken/deprecations/src](../index.md) / parseUpstreamRef

# Function: parseUpstreamRef()

> **parseUpstreamRef**(`ref`): [`ParsedRef`](../interfaces/ParsedRef.md) | `undefined`

Beta

Parse a `<tier>@<version>` ref (version may lead with `v`). Returns `undefined` if malformed.

## Parameters

### ref

`string`

## Returns

[`ParsedRef`](../interfaces/ParsedRef.md) | `undefined`