---
title: "UnitRef"
description: "one unit by its id and kind"
section: concepts
address: /concepts/unitref
contract: 0476e35e6e275db5
---

# UnitRef

one unit by its id and kind

[figure: UnitRef is a value at none scope. The drawing shows its fields and the objects that they point at.]

| property | value |
|---|---|
| kind | value |
| scope | none |
| key | none |
| store | none |
| family | harness |



## Fields


| field | type | required | note |
|---|---|---|---|
| `id` | `id` | yes |  |
| `kind` | [Kind](/concepts/kind) | yes |  |



## Routes that use it
- [`/v1/read/explain_catch`](/reference/read/explain_catch) takes it as input
- [`/v1/read/unit`](/reference/read/unit) takes it as input
- [`/v1/act/annotate`](/reference/act/annotate) returns it