Function Entry: VL-BB-SET

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Function Entry: VL-BB-SET

Name

vl-bb-set

Class

Namespace function

Syntax

(vl-bb-set symbol value)

Description

Sets a variable in the blackboard namespace.

Return Values

The value assigned or another host-defined success value.

Side Effects

Mutates blackboard-namespace state.

Arguments and Values

  • symbol: quoted symbol naming the blackboard variable
  • value: any AutoLISP value except a function

Notes

  • Autodesk documents the return value as the assigned value.
  • Autodesk documents blackboard addressing as namespace communication across documents.

Availability

  • AutoCAD 2026: documented (per Autodesk reference page).
  • AutoCAD 2022: verified present as a SUBR by runtime probe 2026-08-09.
  • BricsCAD V25 and V26: verified present as a SUBR by runtime probe 2026-08-09. The Bricsys DevRef "VLX NameSpace Support" page documents the family as supported since V18.2 (DEScoder v2.7+).
  • Status: verified on both vendors (no longer "presumed compatible"); see chapter 22 § VLX namespace family: verification 2026-08-09.