---
sourceDocument: Australia Telecommunications, Media, and Technology
sourceDocumentLink: https://www.servicenow.com/docs/r/australia/telecom-media-technology

 Release :

    - australia

ft:locale :

    - en-US

ft:publication_title :

    - Australia Telecommunications, Media, and Technology

ft:clusterId :

    - telmt

bundleId :

    - telmt

workflow :

    - Customer and Industry


---

# Define source specifications

# Define the source specifications in the compatibility rules {#ariaid-title1}

Release version: Australia  
Updated March 12, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
Define a source specification in a compatibility rule so that you can create a horizontal relationship in your product catalog.

## Before you begin

Ensure that you have created a compatibility rule. To learn more, see [Create a compatibility rule](https://www.servicenow.com/docs/AWduakDTJrWznRXN~jgbnQ "Create a compatibility rule in the product catalog to define the horizontal relationships between your product, service, and resource specifications.").

Role required: sn_prd_pm.product-catalog_manager, sn_prd_pm_adv.catalog_creator

## About this task

A source specification record includes the details of a source product inventory item in the compatibility rule. After you create a compatibility rule, you can configure the characteristics of your source specification.

## Procedure

1. Navigate to AllProduct Catalog ManagementCompatibility Rule.
2. In the Compatibility Rules list, select the compatibility rule that you want to define the source specification for.
3. On the form, select the Source Configuration related list.
4. Select New and fill in the fields.  
   {#order-mgt-define-source-specifications__table_lv4_wrj_5tb__entry__2}

   | Field | Description |
   |-|-|
   | Specification | Based on the specification that you selected when you created the compatibility rule, this field auto-populates with your product, service, or resource specification. |
   | Characteristic | Characteristic to define the source specification in the compatibility rule. Select the characteristic that is associated with the product, service, or resource specification. |
   | Characteristic Option | Characteristic option to define the source specification in the compatibility rule. Select the characteristic options that are associated with the product, service, or resource specification. |
   [Table 1. Specification Configuration form]

   {#order-mgt-define-source-specifications__table_lv4_wrj_5tb}
5. Select Submit.

## What to do next

[Create compatible records in compatibility rules](https://www.servicenow.com/docs/access?context=order-mgt-create-compatibles&version=australia&pubname=australia-order-management&ft:locale=en-US).

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