Function Entry: VL-BB-REF

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Function Entry: VL-BB-REF

Name

vl-bb-ref

Class

Namespace function

Syntax

(vl-bb-ref symbol)

Description

Retrieves the value of a variable from the blackboard namespace.

Return Values

Current value of symbol, or a host-specific absence result.

Side Effects

None.

Arguments and Values

  • symbol: quoted symbol naming the blackboard variable

Notes

  • Autodesk documents blackboard addressing as namespace communication across documents.
  • Autodesk documents vl-bb-ref as paired with vl-bb-set.

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.