Add webpart to page and configure it using Office Dev PnP CSOM

private string appJsonInfo;
private AppDeclaration Apps;

// A class to hold JSON converted objects for Apps
private class AppDeclaration
{
    public string appName;
    public string appId;
    public string clientsideId;
}

// Declare and create a Json Object for all Apps
public void DeclareAppIds
{
  appJsonInfo = "[{appId: \"xxxxx-xxxx-xxxx-xxxx-xxxxxxxx\", appName: \"testApp\", clientsideId: \"xxxxxx-xxxx-xxxx-xxxx-xxxxxxxx\"}, " +
                                      "{appId: \"xxxxxx-xxxx-xxxx-xxxx-xxxxxxxxx\", appName: \"testApp1\", clientsideId: \"xxxxxx-xxxx-xxxx-xxxxx-xxxxxx\"}, " +
                                      "{appId: \"xxxxxx-xxxx-xxxx-xxxx-xxxxxxxxx\", appName: \"testApp2\", clientsideId: \"xxxxxx-xxxx-xxxx-xxxxx-xxxxxx\"}]";
                                      
  Apps = JsonConvert.DeserializeObject<List<AppDeclaration>>(appJsonInfo);
}

public void AddWebPartsToPage(string pageName)
{
    OfficeDevPnP.Core.AuthenticationManager am = new OfficeDevPnP.Core.AuthenticationManager();
    using (var cc = am.GetSharePointOnlineAuthenticatedContextTenant(<site url>, UserName, SecurePass))
    {
        log.Info("Finding and Adding Webpart to page");
        ClientSidePage page = ClientSidePage.Load(cc, pageName);
        ClientSideComponent clientSideComponent = null;
        AppDeclaration WP = Apps.Find(app => app.appName.Contains(<WPSearchString>));

        bool controlPresent = false;
        bool done = false;
        int count = 0;
        do
        {
            try
            {
                ClientSideComponent[] clientSideComponents = (ClientSideComponent[])page.AvailableClientSideComponents();
                foreach (ClientSideComponent csc in clientSideComponents)
                {
                    if (csc.Id.ToLower().Contains(WP.clientsideId))
                    {
                        clientSideComponent = csc;
                        continue;
                    }
                }

                foreach (var control in page.Controls)
                {
                    ClientSideWebPart cpWP = control as ClientSideWebPart;
                    if (cpWP != null && cpWP.SpControlData.WebPartId.ToString() == WP.clientsideId.ToString())
                    {
                        controlPresent = true;
                        done = true;
                    }
                }

                if (!controlPresent)
                {

                    ClientSideWebPart WebPart = new ClientSideWebPart(clientSideComponent);
                    JToken activeValueToken = true;
                    
                    // Find the web part configuration string from the web part file or code debugging
                    string propertyJSONString = String.Format("[{{<WP Configuration string>}}]", <parameters>);
                    JToken propertyTermToken = JToken.Parse(propertyJSONString);
                    WebPart.Properties.Add("showOnlyActive", activeValueToken);

                    CanvasSection section = new CanvasSection(page, CanvasSectionTemplate.OneColumn, page.Sections.Count+1);
                    page.Sections.Add(section);
                    page.Save();
                    page.AddControl(WebPart, section.Columns[0]);
                    page.Save();
                    page.Publish();
                    done = true;
                    controlPresent = true;
                }
            }
            catch(Exception ex)
            {
                log.Info("Catched exception while adding Capex web part.. Trying again" + ex.Message);
                count++;
            }
        } while (!done && count <=5);

    }
}