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

IsxSignal

Created: September 19, 2015 | Updated: August 20, 2021 | Applies to versions: 15.1, 16.0, 16.1, 17.0, 17.1, 18.0, 18.1, 19.0, 19.1, 20.0, 20.1 and 20.2
Now reading version 20. For the latest, read: IsxSignal for version 21

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

The features available depend on your Altium product access level. Compare features included in the various levels of Altium Designer Software Subscription and functionality delivered through applications provided by the Altium 365 platform.

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