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Documentation Altium Designer Documentation ... PCB Query Functions Membership Checks

IsxSignal

Created: August 02, 2022 | Updated: August 02, 2022 | Applies to version: 21

This document is no longer available beyond version 21. Information can now be found here: IsxSignal for version 25

Parent page: PCB Query Functions - Membership Checks

Summary

Returns the xSignal object with the specified name.

Syntax

IsxSignal(Name : String) : Boolean/Boolean_String

As you define the Query expression, a pop-up list of all existing xSignals, by name, is presented.

Example Usage

IsxSignal('DRAM_A0_PP1')
IsxSignal('DRAM_A0_PP1') = True
IsxSignal('DRAM_A0_PP1') = 'True'
Returns the xSignal DRAM_A0_PP1.

Not IsxSignal('DRAM_A0_PP1')
IsxSignal('DRAM_A0_PP1') = False
IsxSignal('DRAM_A0_PP1') = 'False'
Returns all objects except the xSignal DRAM_A0_PP1.

Tips

  1. The single quote characters (') at the start and end of the Name string are mandatory.
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Note

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