## Documentation Index

Fetch the complete documentation index at: [/llms.txt](https://cosmo-docs.wundergraph.com/llms.txt)

Use this file to discover all available pages before exploring further.

Currently, there is only one router compatibility version. Consequently, this command does not yet serve a meaningful function (but will in the near future).

## Requirements

| Package | Minimum version |
| --- | --- |
| [wgc](https://cosmo-docs.wundergraph.com/cli/intro) | [0.74.0](https://github.com/wundergraph/cosmo/releases/tag/wgc%400.74.0) |

## Usage

```
npx wgc federated-graph version set <name> --version <router compatibility version>
```

## Arguments

| Description | Type |
| --- | --- |
| The name of the federated graph. | string |

## Options

| Option | Type | Value | Required | Default value |
| --- | --- | --- | --- | --- |
| `--version/-v` | string | The router compatibility version to be set. | true | n/a |
| `--namespace/-n` | string | The namespace where the federated graph exists. | false | ”default” |

## Description

The `wgc federated-graph version set` command allows a [valid router compatibility version](https://cosmo-docs.wundergraph.com/cli/router/compatibility-version/list) to be set for a federated graph.

## Output

If successful, a table will display the graph name, its namespace, the previous router compatibility version, and the current router compatibility version.

## Example

```
npx wgc federated-graph version set mygraph -v 1
✔ Successfully set the router compatibility version for federated graph "prod" to 1.
┌────────────┬───────────┬──────────────────┬─────────────┐
│ GRAPH NAME │ NAMESPACE │ PREVIOUS VERSION │ NEW VERSION │
├────────────┼───────────┼──────────────────┼─────────────┤
│ prod       │ default   │ 2                │ 1           │
└────────────┴───────────┴──────────────────┴─────────────┘
```