Deploy App using Office PnP ALM CSOM

using Microsoft.SharePoint.Client;
using OfficeDevPnP.Core.ALM;
using OfficeDevPnP.Core.Pages;
using OfficeDevPnP;

public void DeploySingleApp(Guid appId)
 {
      using (ClientContext context = new ClientContext(<SiteUrl>))
      {
          context.Credentials = new SharePointOnlineCredentials(UserName, SecurePass);
          AppManager manager = new AppManager(context);
          if (manager.Deploy(appId, true))
          {
              if (manager.GetAvailable(appId) != null)
              {
                  try
                  {
                      Task installTask = Task.Run(async () => await manager.InstallAsync(appId));
                      installTask.Wait();
                  }
                  catch (Exception ex)
                  {
                      log.Info("Exception Caught - Mostly because the App is already installed. Skipping Install. Message - " + ex.InnerException.Message);
                  }
              }
          }
      }
  }