Function Entry: VL-PROPAGATE

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Function Entry: VL-PROPAGATE

Name

vl-propagate

Class

Namespace communication function

Syntax

(vl-propagate 'symbol)

Arguments and Values

symbol — symbol naming an AutoLISP variable.

Description

Copies the value of a variable into all open document namespaces and causes that value to be established in subsequently opened drawings during the current session.

Return Values

Always returns nil.

Side Effects

Propagates variable state across multiple document namespaces.

Availability

AutoCAD 2026: documented (per Autodesk reference page).
BricsCAD V26: presumed compatible (no contradicting page found).
Status: AutoCAD documented; BricsCAD presumed-both pending Phase 4 verification.

Source Notes

[vl-propagate (AutoLISP)](https://help.autodesk.com/cloudhelp/2022/ESP/AutoCAD-AutoLISP-Reference/files/GUID-9B30560A-5037-4C2D-8175-429E110277F5.htm)
[Namespace Communication Functions Reference (AutoLISP)](https://help.autodesk.com/cloudhelp/2025/ITA/AutoCAD-MAC-AutoLISP-Reference/files/GUID-F5DD5472-1695-4CA3-9110-E6008E87BB89.htm)