# LazyModuleLoaderLoadOptions

**Kind:** Interface

**Source:** [`packages/core/injector/lazy-module-loader/lazy-module-loader-options.interface.ts`](https://github.com/nestjs/nest/blob/master/packages/core/injector/lazy-module-loader/lazy-module-loader-options.interface.ts#L1)

**Part of:** [Core](subsystem-packages-core)

`LazyModuleLoaderLoadOptions` configures how a lazy-loaded module is loaded by the NestJS dependency injection system. Its `logger` flag controls whether module loading activity should be logged, allowing callers to reduce log noise when loading modules dynamically.

## Properties

| Property | Type |
|---|---|
| `logger` | `boolean` |

## Diagram

```mermaid
graph LR
  A[Application Code] --> B[LazyModuleLoader]
  B --> C[LazyModuleLoaderLoadOptions]
  C --> D{logger enabled?}
  D -->|true| E[Log module loading activity]
  D -->|false| F[Load module silently]
  E --> G[Lazy-loaded Module]
  F --> G
```

## Usage

```ts
import { LazyModuleLoader } from '@nestjs/core';
import type { LazyModuleLoaderLoadOptions } from '@nestjs/core';

@Injectable()
export class ReportsService {
  constructor(private readonly lazyModuleLoader: LazyModuleLoader) {}

  async loadReportsModule() {
    const options: LazyModuleLoaderLoadOptions = {
      logger: true,
    };

    const moduleRef = await this.lazyModuleLoader.load(
      () => import('./reports/reports.module').then((module) => module.ReportsModule),
      options,
    );

    return moduleRef;
  }
}
```

## AI Coding Instructions

- Pass `logger: true` when lazy module loading should appear in application logs for debugging or operational visibility.
- Use `logger: false` for expected or frequent lazy-loading operations where log output would be noisy.
- Provide this options object as the second argument to `LazyModuleLoader.load()`.
- Keep lazy module imports inside the loader callback so the module is not eagerly evaluated during application startup.