共用方式為


ChainedTokenCredential.GetTokenAsync Method

Definition

Sequentially calls GetToken(TokenRequestContext, CancellationToken) on all the specified sources, returning the first successfully obtained AccessToken. Acquired tokens are cached by the credential instance. Token lifetime and refreshing is handled automatically. Where possible, reuse credential instances to optimize cache effectiveness.

public override System.Threading.Tasks.ValueTask<Azure.Core.AccessToken> GetTokenAsync (Azure.Core.TokenRequestContext requestContext, System.Threading.CancellationToken cancellationToken = default);
override this.GetTokenAsync : Azure.Core.TokenRequestContext * System.Threading.CancellationToken -> System.Threading.Tasks.ValueTask<Azure.Core.AccessToken>
Public Overrides Function GetTokenAsync (requestContext As TokenRequestContext, Optional cancellationToken As CancellationToken = Nothing) As ValueTask(Of AccessToken)

Parameters

requestContext
TokenRequestContext

The details of the authentication request.

cancellationToken
CancellationToken

A CancellationToken controlling the request lifetime.

Returns

The first AccessToken returned by the specified sources. Any credential which raises a CredentialUnavailableException will be skipped.

Exceptions

Thrown when the authentication failed.

Applies to