## Update a zone snippet

`client.snippets.update(stringsnippetName, SnippetUpdateParamsparams, RequestOptionsoptions?): SnippetUpdateResponse`

**put** `/zones/{zone_id}/snippets/{snippet_name}`

Creates or updates a snippet belonging to the zone.

### Parameters

- `snippetName: string`

  Identify the snippet.

- `params: SnippetUpdateParams`

  - `zone_id: string`

    Path param: Use this field to specify the unique ID of the zone.

  - `metadata: Metadata`

    Body param: Provide metadata about the snippet.

    - `main_module: string`

      Specify the name of the file that contains the main module of the snippet.

### Returns

- `SnippetUpdateResponse`

  Contain the response result.

  - `created_on: string`

    Indicates when the snippet was created.

  - `snippet_name: string`

    Identify the snippet.

  - `modified_on?: string`

    Indicates when the snippet was last modified.

### Example

```node
import Cloudflare from 'cloudflare';

const client = new Cloudflare({
  apiToken: process.env['CLOUDFLARE_API_TOKEN'], // This is the default and can be omitted
});

const snippet = await client.snippets.update('my_snippet', {
  zone_id: '9f1839b6152d298aca64c4e906b6d074',
  metadata: { main_module: 'main.js' },
});

console.log(snippet.created_on);
```

#### Response

```json
{
  "errors": [
    {
      "message": "something bad happened",
      "code": 10000
    }
  ],
  "messages": [
    {
      "message": "something bad happened",
      "code": 10000
    }
  ],
  "result": {
    "created_on": "2000-01-01T00:00:00.000000Z",
    "snippet_name": "my_snippet",
    "modified_on": "2000-01-01T00:00:00.000000Z"
  },
  "success": true
}
```