Checking if all documents in a list have the same extension without using forEach()

Question

Hi, 
 Currently have a rule containing the following where the rule input is a list of documents and constant has text "DOCX" 
 return true if all document extensions in a list have the extension "DOCX" otherwise return false. 
 and( a!forEach( items: ri!receivedDocumentsList, expression: document( fv!item, "extension" ) = cons!DOCUMENT_EXTENSION_DOCX ) ) 
 Which works fine but is there a more elegant way to do this? 
 Regards

Mike Schmitt · Answer

I come from a time before a!forEach() , and trust me when I say, it is the "elegant" way .

Checking if all documents in a list have the same extension without using forEach()

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