# DotnetToolResourceExtensions

- Kind: `class`
- Package: [Aspire.Hosting](/reference/api/csharp/aspire.hosting.md)
- Version: `13.3.0`
- Namespace: `Aspire.Hosting`
- Target framework: `net8.0`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/bd20f904cde09ecb9c9ae5116a6f13614bf2d7c2/src/Aspire.Hosting/DotnetToolResourceExtensions.cs)

Provides extension methods for adding Dotnet Tool resources to the application model.

## Definition

```csharp
namespace Aspire.Hosting;

public static class DotnetToolResourceExtensions
{
    // ...
}
```

## Methods

- [AddDotnetTool(IDistributedApplicationBuilder, string, string)](/reference/api/csharp/aspire.hosting/dotnettoolresourceextensions/methods.md#adddotnettool-idistributedapplicationbuilder-string-string) : `IResourceBuilder<DotnetToolResource>` `extension` `ats export` -- Adds a .NET tool resource to the application model.
- [AddDotnetTool(IDistributedApplicationBuilder, T)](/reference/api/csharp/aspire.hosting/dotnettoolresourceextensions/methods.md#adddotnettool-idistributedapplicationbuilder-t) : [IResourceBuilder<T>](/reference/api/csharp/aspire.hosting/iresourcebuilder-1.md) `extension` `ats ignored` -- Adds a .NET tool resource to the distributed application model and configures it for execution via the `dotnet tool exec` command.
- [WithToolIgnoreExistingFeeds(IResourceBuilder<T>)](/reference/api/csharp/aspire.hosting/dotnettoolresourceextensions/methods.md#withtoolignoreexistingfeeds-iresourcebuilder-t) : [IResourceBuilder<T>](/reference/api/csharp/aspire.hosting/iresourcebuilder-1.md) `extension` `ats export` -- Configures the tool to use only the specified package sources, ignoring existing NuGet configuration.
- [WithToolIgnoreFailedSources(IResourceBuilder<T>)](/reference/api/csharp/aspire.hosting/dotnettoolresourceextensions/methods.md#withtoolignorefailedsources-iresourcebuilder-t) : [IResourceBuilder<T>](/reference/api/csharp/aspire.hosting/iresourcebuilder-1.md) `extension` `ats export` -- Configures the resource to treat package source failures as warnings.
- [WithToolPackage(IResourceBuilder<T>, string)](/reference/api/csharp/aspire.hosting/dotnettoolresourceextensions/methods.md#withtoolpackage-iresourcebuilder-t-string) : [IResourceBuilder<T>](/reference/api/csharp/aspire.hosting/iresourcebuilder-1.md) `extension` `ats export` -- Sets the package identifier for the tool configuration associated with the resource builder.
- [WithToolPrerelease(IResourceBuilder<T>)](/reference/api/csharp/aspire.hosting/dotnettoolresourceextensions/methods.md#withtoolprerelease-iresourcebuilder-t) : [IResourceBuilder<T>](/reference/api/csharp/aspire.hosting/iresourcebuilder-1.md) `extension` `ats export` -- Allows prerelease versions of the tool to be used
- [WithToolSource(IResourceBuilder<T>, string)](/reference/api/csharp/aspire.hosting/dotnettoolresourceextensions/methods.md#withtoolsource-iresourcebuilder-t-string) : [IResourceBuilder<T>](/reference/api/csharp/aspire.hosting/iresourcebuilder-1.md) `extension` `ats export` -- Adds a NuGet package source for tool acquisition.
- [WithToolVersion(IResourceBuilder<T>, string)](/reference/api/csharp/aspire.hosting/dotnettoolresourceextensions/methods.md#withtoolversion-iresourcebuilder-t-string) : [IResourceBuilder<T>](/reference/api/csharp/aspire.hosting/iresourcebuilder-1.md) `extension` `ats export` -- Sets the package version for a tool to use.