# InteractionInputBuilder.withDynamicLoading

- Module: [Aspire.Hosting](/reference/api/typescript/aspire.hosting.md)
- Defined on: [InteractionInputBuilder](/reference/api/typescript/aspire.hosting/interactioninputbuilder.md)
- Version: `13.5.0`
- Kind: `method`

Attaches a callback that dynamically loads or updates the input after the prompt starts.

## Definition

```typescript
interface InteractionInputBuilder {
  // ... omitted for brevity
  withDynamicLoading(callback: (arg: InteractionInputLoadContext) => Promise<void>, options?: DynamicLoadingOptions): InteractionInputBuilder;
}
```

## Signature

```typescript
withDynamicLoading(callback: (arg: InteractionInputLoadContext) => Promise<void>, options?: DynamicLoadingOptions): InteractionInputBuilder
```

## Parameters

- `callback` (`(arg: InteractionInputLoadContext) => Promise<void>`)
- `options` ([DynamicLoadingOptions](/reference/api/typescript/aspire.hosting/dynamicloadingoptions.md)) `optional`

## Returns

[InteractionInputBuilder](/reference/api/typescript/aspire.hosting/interactioninputbuilder.md)

## Defined on

- [InteractionInputBuilder](/reference/api/typescript/aspire.hosting/interactioninputbuilder.md) -- `handle`