## Update a zone snippet

`client.Snippets.Update(ctx, snippetName, params) (*SnippetUpdateResponse, error)`

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

Creates or updates a snippet belonging to the zone.

### Parameters

- `snippetName string`

  Identify the snippet.

- `params SnippetUpdateParams`

  - `ZoneID param.Field[string]`

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

  - `Metadata param.Field[SnippetUpdateParamsMetadata]`

    Body param: Provide metadata about the snippet.

    - `MainModule string`

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

### Returns

- `type SnippetUpdateResponse struct{…}`

  Contain the response result.

  - `CreatedOn Time`

    Indicates when the snippet was created.

  - `SnippetName string`

    Identify the snippet.

  - `ModifiedOn Time`

    Indicates when the snippet was last modified.

### Example

```go
package main

import (
  "context"
  "fmt"

  "github.com/cloudflare/cloudflare-go"
  "github.com/cloudflare/cloudflare-go/option"
  "github.com/cloudflare/cloudflare-go/snippets"
)

func main() {
  client := cloudflare.NewClient(
    option.WithAPIToken("Sn3lZJTBX6kkg7OdcBUAxOO963GEIyGQqnFTOFYY"),
  )
  snippet, err := client.Snippets.Update(
    context.TODO(),
    "my_snippet",
    snippets.SnippetUpdateParams{
      ZoneID: cloudflare.F("9f1839b6152d298aca64c4e906b6d074"),
      Metadata: cloudflare.F(snippets.SnippetUpdateParamsMetadata{
        MainModule: cloudflare.F("main.js"),
      }),
    },
  )
  if err != nil {
    panic(err.Error())
  }
  fmt.Printf("%+v\n", snippet.CreatedOn)
}
```

#### 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
}
```