A property exists
The document under test is a part, assembly or drawing. 
Performs the operation if a property exists in the document.
Example: If the " Description" property exists in the document, then the operation is applied.
You can use the "*" character before or after a specific string to check whether a property containing that string exists in the document.
Example:
Pro* If a property beginning with "Pro"exists in the document, then the operation is applied.
*000: If a property ending in 000 exists in the document, then the operation is applied.
You can also set multiple properties by separating them with the ''; '' character.
Example:
Item_Code; Processing;Supplier
If the properties "Item Code," "Processing,"and "Supplier"exist in the document, then the operation is applied.