Fields

At a Glance

This reference page walks you through the Fields category of PCB query keywords available in Altium Designer for PCB and PCB Library documents, showing what each keyword returns, the correct syntax to use, and practical example queries for filtering objects by properties such as arc dimensions, angles, area, naming behavior, text positioning, and barcode-related settings. It also highlights important usage notes, including object-specific limitations, required string formatting, unit handling, and how to access help directly from the Query Helper or Filter panel, giving you a clearer way to understand and apply these functions in your own searches. Keep reading to quickly find the exact field query details you need and use them with more confidence.

- You will see how individual Fields query keywords are structured, including syntax, accepted values, and example expressions.
- You will learn which object types each field applies to, along with key notes about units, required quotes, and special behavior.
- You will understand how this page can help you navigate query help more efficiently in the Query Helper and Filter panel.
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The Fields PCB query functions shown in the Query Helper dialog
The Fields PCB query functions shown in the Query Helper dialog

This reference page details the query language keywords from the Fields category available in PCB and PCB Library documents in Altium Designer. For help on a specific query keyword, use the following collapsible sections or highlight (or click inside) any given keyword - in the Query Helper or a Filter panel - and press F1 to access its section right away.

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Contents
Feature Availability

The features available to you depend on which Altium solution you have – Altium Develop, Altium Agile Teams, Altium Agile Enterprise, or Altium Designer (on active term).

If you don’t see a documented feature in your actual software, contact Altium Sales to find out more.

Legacy Documentation

Altium Designer documentation is no longer versioned. If you need to access documentation for older versions of Altium Designer, visit the Legacy Documentation section of the Other Installers page.