# Router Checker

Type: `middleware.http.routerchecker`

Status: alpha

Reference: https://docs.dapr.io/reference/components-reference/supported-middleware/middleware-routerchecker/

## Example

```
apiVersion: cra.diagrid.io/v1beta1
kind: Component
metadata:
  name: <name>
spec:
  type: middleware.http.routerchecker
  version: v1
  metadata:
    # Regular expression to filter which paths are allowed
    - name: rule
      value: "^[A-Za-z0-9/._-]+$"

```

## Metadata

### `rule` (string)

**Required** - Regular expression to filter which paths are allowed

Example value: `^[A-Za-z0-9/._-]+$`