## Check missing assets

`client.Pages.Assets.CheckMissing(ctx, body) (*SinglePage[string], error)`

**post** `/pages/assets/check-missing`

Check which of the provided file hashes are missing from the Pages
asset store. Returns a list of missing hashes that need to be uploaded.
Used as part of the Pages Direct Upload workflow.

Authenticate with the JWT obtained from the upload-token endpoint:
GET /accounts/{account_id}/pages/projects/{project_name}/upload-token

### Parameters

- `body AssetCheckMissingParams`

  - `Hashes param.Field[[]string]`

    List of file content hashes to check for existence in the asset store.

### Returns

- `type AssetCheckMissingResponseEnvelopeResult string`

### Example

```go
package main

import (
  "context"
  "fmt"

  "github.com/cloudflare/cloudflare-go"
  "github.com/cloudflare/cloudflare-go/pages"
)

func main() {
  client := cloudflare.NewClient(

  )
  page, err := client.Pages.Assets.CheckMissing(context.TODO(), pages.AssetCheckMissingParams{
    Hashes: cloudflare.F([]string{"a948904f2f0f479b8f936b8a0c5d9882", "b026324c6904b2a9cb4b88d6d61c81d1"}),
  })
  if err != nil {
    panic(err.Error())
  }
  fmt.Printf("%+v\n", page)
}
```

#### Response

```json
{
  "errors": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "messages": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "result": [
    "b026324c6904b2a9cb4b88d6d61c81d1"
  ],
  "success": true
}
```