# PipelineSummary.add

- Module: [Aspire.Hosting](/reference/api/typescript/aspire.hosting.md)
- Defined on: [PipelineSummary](/reference/api/typescript/aspire.hosting/pipelinesummary.md)
- Version: `13.3.0`
- Kind: `method`

Invokes the Add method

## Definition

```typescript
interface PipelineSummary {
  // ... omitted for brevity
  add(
      key: string,
      value: string): void;
}
```

## Signature

```typescript
add(
    key: string,
    value: string): void
```

## Parameters

- `key` (`string`)
- `value` (`string`)

## Defined on

- [PipelineSummary](/reference/api/typescript/aspire.hosting/pipelinesummary.md) -- `handle`