---
sourceDocument: Brazil ServiceNow AI Platform Capabilities
sourceDocumentLink: https://www.servicenow.com/docs/r/servicenow-platform

 Release :

    - brazil

ft:locale :

    - en-US

ft:publication_title :

    - Brazil ServiceNow AI Platform Capabilities

ft:clusterId :

    - platcap

bundleId :

    - platcap

workflow :

    - Platform


---

# Configure a default width

# Configure a default width for Service Catalog variables {#ariaid-title1}

Release version: Brazil  
Updated September 10, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
Configure the default width for variables on a catalog item page to specify what
percentage of the screen size that it can span.

## Before you begin

Role required: admin

## About this task

A default width size cannot be set or does not apply to the following variables:

* The break, container end, container split, container start, and label variables.
* Any variable placed in a container with two-column layout.
* A variable set with a two-column layout.
* Any variable that is created with a custom width set in the Variable width field on the Variable form. For details, see [Create a service catalog variable](https://www.servicenow.com/docs/ReX_r1fdjMd0LCg2_gTVRQ "Create service catalogs variables to gather information from users ordering a catalog item, for example, to ask users which options they want for the item."). The custom width for the variable overrides the default width set for the variable type.

Note:  
Custom variable widths are not supported in either Now® Mobile or Service Portal.

## Procedure

1. Navigate to AllService CatalogCatalog VariablesVariable Default Size.
2. For each variable type, select a default width.

   | Option | Description |
   | 25% | Configures the variable to span 25% of the available screen size. |
   | 50% | Configures the variable to span 50% of the available screen size. By default, some variables require a minimum of 50% width. |
   | 75% | Configures the variable to span 75% of the available screen size. |
   | 100% | Configures the variable to span 100% of the available screen size. |
   |-|-|

3. Select Save.

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