Hello, I hope I understand your question properly. If you want to split the example JSON into two flow-files, each contains an array of elements with a=1, or a=2, then following flow can do the job. The point is passing the same JSON flow-file into two EvaluateJsonPath processors, then each EvaluateJsonPath extract array based on its own interest, using JSON path like '$.[?(@.a=='2')]'. I've tested with an input JSON: [{"a":1, "i": 1},{"a":1, "i": 2},{"a":2, "i": 3},{"a":2, "i": 4}] Then, I got on left side: [{"a":1,"i":1},{"a":1,"i":2}] on right side: [{"a":2,"i":3},{"a":2,"i":4}] Hope this helps.
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