Function Entry: START_LIST

`start<sub>list</sub>`

DCL Function

(start_list key [operation [index]])

• key: case-sensitive string; the list-box or pop-up-list tile.
• operation (optional): integer.
  • 1: change the contents of a selected list item.
  • 2: append a new entry to the existing list.
  • 3 (default): delete the existing list and create a new one.
• index (optional): integer; the zero-based item position to modify. Defaults to 0. Ignored unless operation = 1.

Starts processing of a list in a list-box or pop-up-list tile. Subsequent `add<sub>list</sub> calls modify the active list until end<sub>list</sub> is invoked. Do not call set<sub>tile</sub> between start<sub>list</sub> and end<sub>list</sub>`.

The key string on success; nil on failure.

Latches the named tile as the active list target.

Not documented on the vendor page.

• AutoCAD 2026: documented.
• BricsCAD V26: presumed compatible.
• Status: AutoCAD documented; BricsCAD presumed-both pending Phase 4 verification.

• [start_list (AutoLISP 2026)](https://help.autodesk.com/cloudhelp/2026/ENU/AutoCAD-AutoLISP-Reference/files/GUID-84FAC8F6-59B1-4FBD-9446-0CB323B3D66D.htm)
• Status: documented (Phase 3 body fill).