---
title: Create a custom validation definition
description: Provide a script that validates a context rule input or output in the decision table for a pricing or product eligibility matrix.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/australia/order-management/create-validation-definition.html
release: australia
topic_type: task
last_updated: "2026-03-12"
reading_time_minutes: 1
breadcrumb: [Configure matrix validation rules, Product pricing, Configure, price, quote apps, Configure, Sales Customer Relationship Management]
---

# Create a custom validation definition

Provide a script that validates a context rule input or output in the decision table for a pricing or product eligibility matrix.

## Before you begin

Role required: admin

## Procedure

1.  In the CRM Workspace, select the **List** \[Omitted image "list-outline-24.svg"\] Alt text: view.

2.  Navigate to **Context Rule Management** > **Validation Definitions**.

3.  Select **New**.

4.  In the **Script** field, enter the custom script that defines the error check, warning messages, and error messages for the validation.

5.  If the decision condition won’t be active by default, select **Inactivate decision condition**.

6.  Enter the **Name** of the validation definition.

7.  Select **Save**.

8.  Associate the custom definition to a rule matrix.

    1.  Navigate to **Context Rule Management** > **Matrix Validations**.

    2.  Select **New**.

    3.  In the **Matrix type** field, select the rule matrix to which this custom validation definition applies.

9.  Select **Save**.