# DotnetProjectResource.withBuildEnvironment

- Module: [Aspire.Hosting.Dotnet](/reference/api/typescript/aspire.hosting.dotnet.md)
- Defined on: [DotnetProjectResource](/reference/api/typescript/aspire.hosting.dotnet/dotnetprojectresource.md)
- Version: `13.6.0-preview.1.26478.8`
- Kind: `method`

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;
}
```

## Signature

```typescript
withBuildEnvironment(
    name: string,
    value: string): DotnetProjectResource
```

## Parameters

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

## Returns

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

## Defined on

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