/// <summary>
/// Add an assistant to a user.
/// </summary>
/// <param name="usersResource">The user resource.</param>
/// <param name="userId">The user Id.</param>
/// <param name="assistantEmail">The email address of the assistant to associate with this user.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>
/// The async task.
/// </returns>
public static Task AddAssistantByEmailAsync(this IUsers usersResource, string userId, string assistantEmail,
CancellationToken cancellationToken = default)
{
return(usersResource.AddAssistantsByIdAsync(userId, new[] { assistantEmail }, cancellationToken));
}
