# withSecurityRule

- 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 a security rule to the Network Security Group.

## Definition

```typescript
interface AzureNetworkSecurityGroupResource {
  // ... omitted for brevity
  withSecurityRule(rule: AzureSecurityRule): AzureNetworkSecurityGroupResource
}
```

## Parameters

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

## Returns

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

## Applies to

- [AzureNetworkSecurityGroupResource](/reference/api/typescript/aspire.hosting.azure.network/azurenetworksecuritygroupresource.md)