Function Entry: VLAX-ADD-CMD

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Function Entry: VLAX-ADD-CMD

Name

vlax-add-cmd

Class

Visual LISP command-registration function

Syntax

(vlax-add-cmd global-name function-name [cmd-flags])

Autodesk documents the fuller syntax as:

(vlax-add-cmd global-name func-sym [local-name cmd-flags])

Arguments and Values

global-name — string naming the global command.
func-sym — symbol naming a no-argument AutoLISP function.
local-name — optional string naming the local command alias; defaults to global-name.
cmd-flags — optional integer command flag word.

Description

Adds commands to the AutoCAD built-in command set.

Return Values

String naming the global command if successful.

Side Effects

Registers new commands in the host command system.

Compatibility

Part of the host integration layer rather than portable core language semantics.

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

[vlax-add-cmd (AutoLISP/ActiveX)](https://help.autodesk.com/cloudhelp/2022/ENU/AutoCAD-AutoLISP-Reference/files/GUID-42392DA4-4A2B-4D34-AA7B-A5ACAF727E54.htm)

Notes

Autodesk documents modal and transparent command flags, plus additional flags such as pickset use.
Autodesk documents that commands are assigned to command groups automatically.
Autodesk documents that the function should not be used to expose functions that create reactor objects or serve as reactor callbacks.

Compatibility

Supported on Windows, macOS, and Web in current Autodesk documentation.