---
title: "Domain reasoning engine · agent building block · Agent Fieldbook"
url: https://agentfieldbook.org/design/building_blocks/atlas-reasoning/
description: "The Atlas Reasoning Engine + Data Cloud + Apex @InvocableMethod expose enterprise objects and actions as the agent's ontology: it reasons in the business's own data model."
section: "Design · Building Blocks · Ontology"
source: Agent Fieldbook — generated from the published page
---

# Domain reasoning engine

The Atlas Reasoning Engine + Data Cloud + Apex @InvocableMethod expose enterprise objects and actions as the agent's ontology: it reasons in the business's own data model.

## How it works

## At a glance

| Field | Value |
| --- | --- |
| Kind | Ontology· Domain reasoning |
| Example | Salesforce Agentforce |

## Basis

- [salesforce.com](https://www.salesforce.com/agentforce/)