# withAccessRule

- Module: [Aspire.Hosting.Azure.Network](/reference/api/typescript/aspire.hosting.azure.network.md)
- Version: `13.4.0`
- Kind: `method`
- Source: [GitHub](https://github.com/microsoft/aspire)

Adds an access rule to the Network Security Perimeter.

## Definition

```typescript
interface AzureNetworkSecurityPerimeterResource {
  // ... omitted for brevity
  withAccessRule(rule: AzureNspAccessRule): AzureNetworkSecurityPerimeterResource
}
```

## Parameters

- `rule` ([AzureNspAccessRule](/reference/api/typescript/aspire.hosting.azure.network/azurenspaccessrule.md))

## Returns

[AzureNetworkSecurityPerimeterResource](/reference/api/typescript/aspire.hosting.azure.network/azurenetworksecurityperimeterresource.md) `builder`

## Applies to

- [AzureNetworkSecurityPerimeterResource](/reference/api/typescript/aspire.hosting.azure.network/azurenetworksecurityperimeterresource.md)