# withBuildEnvironment

- Module: [Aspire.Hosting.Dotnet](/reference/api/typescript/aspire.hosting.dotnet.md)
- Version: `13.6.0-preview.1.26478.8`
- Kind: `method`
- Source: [GitHub](https://github.com/microsoft/aspire/tree/f4c27f2d43ddc1cacd0dd083b30d1fea1cee7a62)

Adds an environment variable to the build process for a .NET project.

## Definition

```typescript
interface DotnetProjectResource {
  // ... omitted for brevity
  withBuildEnvironment(
    name: string,
    value: string): DotnetProjectResource
}
```

## Parameters

- `name` (`string`)
- `value` (`string`)

## Returns

[DotnetProjectResource](/reference/api/typescript/aspire.hosting.dotnet/dotnetprojectresource.md) `builder`

## Applies to

- [DotnetProjectResource](/reference/api/typescript/aspire.hosting.dotnet/dotnetprojectresource.md)