const Uri address = new Uri("https://bim.works");
using (BimWorksClientFactory factory = new BimWorksClientFactory(address))
{
    using (BimWorksClient client = factory.CreateClientWithApiToken(token))
    {
        GUID uuid = client.Fs.GetRootNode().Uuid;
        AsyncUploadTask uploadTask = client.Upload.UploadModel(uuid, "Model.ifc");
        UploadResponse uploadResponse = uploadTask.GetUploadResponse();

        client.Bim.Query2(uploadResponse.treeNode.GetLastVersion().Uuid, "GET attribute.Name, attribute.GlobalId WHERE calculated.property.floorArea > 8m2");
    }
}