# withDatabaseMaxOpenConnections

- Module: [CommunityToolkit.Aspire.Hosting.Listmonk](/reference/api/typescript/communitytoolkit.aspire.hosting.listmonk.md)
- Version: `13.5.0`
- Kind: `method`
- Source: [GitHub](https://github.com/CommunityToolkit/Aspire/tree/4ff8268fbd97ddd23cb73dc8eff9cc92718156d1)

Configures the maximum number of open PostgreSQL connections.

## Definition

```typescript
interface ListmonkResource {
  // ... omitted for brevity
  withDatabaseMaxOpenConnections(maxOpen: number): ListmonkResource
}
```

## Parameters

- `maxOpen` (`number`)

## Returns

[ListmonkResource](/reference/api/typescript/communitytoolkit.aspire.hosting.listmonk/listmonkresource.md) `builder`

## Applies to

- [ListmonkResource](/reference/api/typescript/communitytoolkit.aspire.hosting.listmonk/listmonkresource.md)