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As long as before, when I add expression library, it appears the "=" button as below. But now, the "=" button doesn't appear like the picture. How can I get expr file from parameter? 
From the very first, I have data stream like as below[{"report_pipeline_id":"5fac56734418fe353b7b846d","transaction_id":"72479d9c-85f4-4cc6-90ec-dffac6d8536a","client_id":"e2572c18-29de-46c1-a212-fa54f61e468f"},...]later step is CSV Formatter, this s...
I have output doc as the below picture How can I get the first element from the doc?
I got an array named “group” includes object items as the below picture How can I merge all object items to one object? My expected result as the below picture. But, imagine that the number of item is unknown. It can be 3,4,5 , … (n). Thank you!
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