The document contains a configuration whose description matches a given value
The document under test is a part or assembly. 
Performs the operation if the document being scanned contains a configuration description that is" Equal to " or " Different from " the specified value.
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Example: If, in the document, the description of a configuration is " No. 25631," then the operation is applied.
You can use the "*" character before or after a specific string to check whether a certain pattern—containing the specified string—is absent from the document.
Example:
No. 256*:If the description begins with the character string "No. 256"and that stringexists in the document, then the operation is performed.
*25631 If a configuration name ending with the character string 25631 exists in the document, then the operation is applied.
*256* If a configuration name containing the string " 256 " exists in the document, then the operation is applied.
The level specifies whether the configurations being counted are primary or derived configurations