## Create Leaked Credential Checks Custom Detection

`client.LeakedCredentialChecks.Detections.New(ctx, params) (*DetectionNewResponse, error)`

**post** `/zones/{zone_id}/leaked-credential-checks/detections`

Create user-defined detection pattern for Leaked Credential Checks.

### Parameters

- `params DetectionNewParams`

  - `ZoneID param.Field[string]`

    Path param: Defines an identifier.

  - `Password param.Field[string]`

    Body param: Defines ehe ruleset expression to use in matching the password in a request.

  - `Username param.Field[string]`

    Body param: Defines the ruleset expression to use in matching the username in a request.

### Returns

- `type DetectionNewResponse struct{…}`

  Defines a custom set of username/password expressions to match Leaked Credential Checks on.

  - `ID string`

    Defines the unique ID for this custom detection.

  - `Password string`

    Defines ehe ruleset expression to use in matching the password in a request.

  - `Username string`

    Defines the ruleset expression to use in matching the username in a request.

### Example

```go
package main

import (
  "context"
  "fmt"

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

func main() {
  client := cloudflare.NewClient(
    option.WithAPIToken("Sn3lZJTBX6kkg7OdcBUAxOO963GEIyGQqnFTOFYY"),
  )
  detection, err := client.LeakedCredentialChecks.Detections.New(context.TODO(), leaked_credential_checks.DetectionNewParams{
    ZoneID: cloudflare.F("023e105f4ecef8ad9ca31a8372d0c353"),
  })
  if err != nil {
    panic(err.Error())
  }
  fmt.Printf("%+v\n", detection.ID)
}
```

#### 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": {
    "id": "18a14bafaa8eb1df04ce683ec18c765e",
    "password": "lookup_json_string(http.request.body.raw, \"secret\")",
    "username": "lookup_json_string(http.request.body.raw, \"user\")"
  },
  "success": true
}
```