# CertificateAuthorityCollectionAnnotation

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

An annotation that indicates a resource is referencing a certificate authority collection.

## Definition

```csharp
namespace Aspire.Hosting.ApplicationModel;

public sealed class CertificateAuthorityCollectionAnnotation
    : Aspire.Hosting.ApplicationModel.IResourceAnnotation
{
    // ...
}
```

## Constructors

- [CertificateAuthorityCollectionAnnotation](/reference/api/csharp/aspire.hosting/certificateauthoritycollectionannotation/constructors.md#constructor)

## Properties

- [CertificateAuthorityCollections](/reference/api/csharp/aspire.hosting/certificateauthoritycollectionannotation/properties.md#certificateauthoritycollections) : [List<CertificateAuthorityCollection>](/reference/api/csharp/aspire.hosting/certificateauthoritycollection.md) `get` -- Gets the [CertificateAuthorityCollection](/reference/api/csharp/aspire.hosting/certificateauthoritycollection.md) that is being referenced.
- [Scope](/reference/api/csharp/aspire.hosting/certificateauthoritycollectionannotation/properties.md#scope) : [CertificateTrustScope?](/reference/api/csharp/aspire.hosting/certificatetrustscope.md) `get` -- Gets a value indicating whether the resource should attempt to override its default CA trust behavior in favor of the provided certificates (not all resources will support this).
- [TrustDeveloperCertificates](/reference/api/csharp/aspire.hosting/certificateauthoritycollectionannotation/properties.md#trustdevelopercertificates) : `bool?` `get` -- Gets a value indicating whether platform developer certificates should be considered trusted.