Arguments

tinEname  (ename or vla-object)  the TinSurface entity to assign the description text
description  (string)  the description text to be assigned

Return

T or NIL

Example

(tin:setdescription tin "the river bed")  T

Remarks

the description of the TinSurface is actually not used (also not shown) by the Civil TinSurface system;
application code can use it for own purpose;
see (tin:getdescription) function