Arguments

ename  (ename) the entity to remove the property from; if ename is NIL, then the property name itself is removed from the PropertySet

propertyset  (string) the PropertySet name (as Name or Label, case-insensitive)

name  (string) the name of the Property (as Name or Label, case-insensitive) to be deleted

Return

T or NIL, indicating success or failures (like PropertySet does not exist)

Example

(bim:pset-delete-property ent "MyPropertySet" "MyTag-A")  T

Remarks

if ename is NIL, then the property name itself is removed from the PropertySet
the Property name is case-insensitive;
the PropertySet name/label is case-insensitive;
all PropertyNameSpaces are automatically used to find the specified PropertySet