<PackageReference Include="Azure.Storage.Blobs" Version="12.31.0-beta.1" />

Azure.Storage.Blobs.Models.SessionCredentials

public string SessionKey { get; }

Only returned when AuthenticationType is HMAC. A symmetric encryption key used to sign requests in the session using the Shared Key protocol.

public string SessionToken { get; }

An opaque token used to authorize subsequent requests in the session. Must be treated as a security credential.