/// <summary>
/// Add reference to contact
/// </summary>
/// <param name='operations'>
/// The operations group for this extension method.
/// </param>
/// <param name='contactId'>
/// key: adoxio_workerid
/// </param>
/// <param name='fieldname'>
/// key: fieldname
/// </param>
/// <param name='odataid'>
/// reference value
/// </param>
/// <param name='cancellationToken'>
/// The cancellation token.
/// </param>
public static async Task AddReferenceAsync(this IContacts operations, string contactId, string fieldname, Odataid odataid = default(Odataid), CancellationToken cancellationToken = default(CancellationToken))
{
(await operations.AddReferenceWithHttpMessagesAsync(contactId, fieldname, odataid, null, cancellationToken).ConfigureAwait(false)).Dispose();
}
