> ## Documentation Index
> Fetch the complete documentation index at: https://wundergraphinc-brendan-add-sof-link.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Set

> Set the router compatibility version for a specific monograph.

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

## Requirements

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

## Usage

```bash theme={null}
npx wgc monograph version set <name> --version <router compatibility version>
```

## Arguments

| Description                | Type   |
| -------------------------- | ------ |
| The name of the monograph. | string |

## Options

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

## Description

The `wgc monograph version set` command allows a [valid router compatibility version](/cli/router/compatibility-version/list) to be set for a monograph.

## Output

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

## Example

```bash theme={null}
> 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           │
└────────────┴───────────┴──────────────────┴─────────────┘
```