Returns the third element of a list
Supported Platforms: Windows, Mac OS, and Web
Signature
(caddr list)
- list
-
Type: List
A list with three or more elements.
Return Values
Type: Integer, Real, String, List, T or nil
The third element in list; otherwise nil, if the list is empty or contains fewer than three elements.
Remarks
In AutoLISP, caddr is frequently used to obtain the Z coordinate of a 3D point (the third element of a list of three reals).
Examples
(setq pt3 '(5.25 1.0 3.0)) (5.25 1.0 3.0) (caddr pt3) 3.0 (caddr '(5.25 1.0)) nil