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System COULD find out using models but the path is incomplete for more than 1 match possible for 'category' in theory. But this might not be needed. Instead, the following steps will be used;

Query Steps1)

1. looks for xPath that ends with //category[@name='SciFi'] -> 0 results (existing behavior, no new code)
   
   NEW CODE 
   

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1. 
   
2. (if 0 results in step 1) look for xPath that ends with //category[@name=*] →  (OPTIMISATION STEP - could go straight to step 3)

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   1. 1. 0 results -> 'name' is NOT the key, continue with step

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   1. 1. 3 

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   1. 1. 1+ results 'name' is key but value not found, no need to continue!

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   1. 1. (prevent unnecessary execution of step 3/performance hit , but need to document limitation if key-field for one list is non-key for other container with same name !
   1. ) Looks for XPath that ends with //category[@*] AND attributes(jsonb) contains "name='SciFi'"

   Note. the part for "attributes(jsonb) contains "name='SciFi'"" has already been implemented for another queryNote. Document limitations and existing cps path.