---
title: "constant"
description: "Fields of a `constant` variable."
---

> Documentation Index
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# constant

## Example

```json
{
  "name": "team",
  "type": "constant",
  "value": "payments"
}
```

From [`spec/examples/evolved-features.json`](https://github.com/slashobserve/slashobserve/blob/main/spec/examples/evolved-features.json).

## Fields

| Field | Type | Description |
| --- | --- | --- |
| `name` (required) | `variableName` | Referenced in queries as $name, ${name} or ${name:format}. |
| `label` | `string` |   |
| `description` | `string` |   |
| `hide` | `"label"`, `"variable"` |   |
| `skipUrlSync` | `boolean` | The variable's value is not read from or written to the URL. |
| `type` (required) | `"constant"` |   |
| `value` (required) | `string` |   |

Generated from [`spec/schema/observespec.v0.json`](https://github.com/slashobserve/slashobserve/blob/bac0fe39/spec/schema/observespec.v0.json) at `bac0fe39`. [Report a problem](https://github.com/slashobserve/slashobserve/issues/new).