--- title: "General property and ontology files" slug: "general-property-and-ontology-files" description: "Learn about general property an ontology files in Zilliant CPQ." updated: 2026-07-22T14:02:25Z published: 2026-07-31T10:00:05Z canonical: "docs.zilliant.com/general-property-and-ontology-files" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.zilliant.com/llms.txt > Use this file to discover all available pages before exploring further. # General property and ontology files Zilliant CPQ uses specific files to store and maintain application system properties and support ontology-based customization of the application. ## Access properties and ontology files 1. From the application left navigation area: - In the classic view, select **Administration**. - In the new UI, select **Settings** > **Administration**. 2. From the top navigation bar, select **Content Management** . 3. Select **conf**. Important The **conf** folder is required by the system. Do not delete this folder. 1. Download the properties file you want to configure. 2. Use a text editor to make and save changes. 3. Upload the file. The **conf** folder contains the following file types: - **.properties**—General property files for Zilliant CPQ. For example, **application.properties**. - **.n3**—Mapping files to find the .owl files. - **.owl**—Ontology files located in **/conf/ontology** folder. Note For more information, consult with your Zilliant representative or your implementation team. ### Files in the conf folder - **application.properties**—Main properties file. It contains the properties for starting up a Zilliant CPQ tenant. - **email-content.properties**—Provides keys to customize the content of notification emails, such as approval and routing emails. - **location-mapping.n3** and **location-mapping-to-empty.n3**—Use to find the exact path to the ontology .owl files. - **location-mapping.n3**—A key mapper to map file’s unique identification (URI) to its location. - **location-mapping-to-empty.n3**—Use when starting a tenant application. - **schema.owl**—Entities definition and their relationship. - Contains Classes (Business Types, BT), Data Attributes (Business Data Attribute, BDA) and Relation Attributes (Business Relation Attributes, BRA) definitions. - Contains meta attributes (Business Meta Attributes, BMA) that are used together with BDA and BRA. Additional ontology concepts can be defined in **application-schema-ext.owl** to further customize the product based on customer needs. (Examples: legacy BDAs, SPARQLs, custom data points.)