A property exists with a given value in the parent assembly
The document under test is a part or assembly. 
Applies the operation if a property, with a certain value, exists in the parent assembly.
We use field concatenation tool to retrieve variable values from SOLIDWORKS, Windows, etc...
Several validation conditions are possible 
Example On a piece called Part 1if the property Description exists in the parent assembly and its value is Visiativ-Part 1then the operation is applied.