# addContainer

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

Adds an Azure Cosmos DB container resource

## Definition

```typescript
interface AzureCosmosDBDatabaseResource {
  // ... omitted for brevity
  addContainer(
    name: string,
    partitionKeyPaths: string|string[],
    containerName?: string): AzureCosmosDBContainerResource
}
```

## Parameters

- `name` (`string`)
- `partitionKeyPaths` (`string|string[]`)
- `containerName` (`string`) `optional`

## Returns

[AzureCosmosDBContainerResource](/reference/api/typescript/aspire.hosting.azure.cosmosdb/azurecosmosdbcontainerresource.md) `builder`

## Applies to

- [AzureCosmosDBDatabaseResource](/reference/api/typescript/aspire.hosting.azure.cosmosdb/azurecosmosdbdatabaseresource.md)