Clears a property
Operation possible on parts, assemblies or drawings. 
This operation removes the specified property from the document being parsed.
Example: Remove the " Description" property if it exists in the document.
You can use the "*" character before or after a specific string to check whether a property containing that string exists in the document.
Example:
Desc* deleting properties starting with Desc in the document.
*000 deletion of properties ending with 000 in the document.
You can also specify multiple properties to delete by separating them with the character ''; ''.
Example:
property deletion Descriptionand PartNo in the document.