Customize Progress Agentic RAG indexing
Overview
PREREQUISITES: This feature is available as of Sitefinity CMS product update 15.4.8633.
By default, the Progress® Agentic RAG connector builds the resource data sent to the Progress Agentic RAG knowledge box using the AgenticRAGResourceDataBuilder class. You can replace this with a custom implementation to control what indexing data is sent for each content item — for example, to modify the resource title, add custom metadata, or transform field values before they reach the knowledge box.
Create a custom resource data builder
To customize indexing, create a class that extends AgenticRAGResourceDataBuilder and overrides the Build method:
using System.Collections.Generic;
using Telerik.Sitefinity.AgenticRAG.Indexing;
using Telerik.Sitefinity.Publishing;
using Telerik.Sitefinity.Search;
public class CustomAgenticRAGResourceDataBuilder : AgenticRAGResourceDataBuilder
{
/// <inheritdoc />
public override AgenticRAGIndexingResourceData Build(WrapperObject wrapperObject, string itemSlug, IEnumerable<SearchIndexAdditionalField> additionalFields)
{
// Call the base implementation to get the default indexing data.
var indexingResourceData = base.Build(wrapperObject, itemSlug, additionalFields);
// Customize the resource request before it is sent to the Agentic RAG service.
// For example, override the resource title in RAG.
var title = wrapperObject.GetPropertyOrDefault<string>(PublishingConstants.FieldTitle);
if (!string.IsNullOrEmpty(title))
{
indexingResourceData.Request.Title = $"{title}-{itemSlug}";
}
return indexingResourceData;
}
}Register the custom builder
Register the custom implementation in Global.asax by subscribing to the Bootstrapper.Bootstrapped event and using ObjectFactory to replace the default type:
using System;
using Telerik.Microsoft.Practices.Unity;
using Telerik.Sitefinity.Abstractions;
using Telerik.Sitefinity.AgenticRAG.Indexing;
public class Global : System.Web.HttpApplication
{
protected void Application_Start(object sender, EventArgs e)
{
Bootstrapper.Bootstrapped += Bootstrapper_Bootstrapped;
}
private void Bootstrapper_Bootstrapped(object sender, EventArgs e)
{
ObjectFactory.Container.RegisterType<IAgenticRAGResourceDataBuilder, CustomAgenticRAGResourceDataBuilder>(
new ContainerControlledLifetimeManager());
}
}After registering the custom builder, Sitefinity uses it for all subsequent indexing operations sent to the Progress Agentic RAG knowledge box.
