If you want each element of the array sent to diffeent outputs.
here is an example.
[{"id":"449af8d3.050b68","type":"inject","z":"c74669a0.6a34f8","name":"","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"[false,false,false]","payloadType":"json","x":150,"y":2020,"wires":[["71bb8075.c7fc48"]]},{"id":"71bb8075.c7fc48","type":"split","z":"c74669a0.6a34f8","name":"","splt":"\\n","spltType":"str","arraySplt":1,"arraySpltType":"len","stream":false,"addname":"","x":370,"y":2020,"wires":[["10edad9.21280d2"]]},{"id":"10edad9.21280d2","type":"switch","z":"c74669a0.6a34f8","name":"","property":"parts.index","propertyType":"msg","rules":[{"t":"eq","v":"0","vt":"str"},{"t":"eq","v":"1","vt":"str"},{"t":"eq","v":"2","vt":"str"}],"checkall":"false","repair":false,"outputs":3,"x":560,"y":2020,"wires":[["5369c443.3d6454"],["2863627c.de639e"],["a570b87f.d22fe8"]]},{"id":"5369c443.3d6454","type":"debug","z":"c74669a0.6a34f8","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":730,"y":2000,"wires":[]},{"id":"2863627c.de639e","type":"debug","z":"c74669a0.6a34f8","name":"out 2","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload","targetType":"msg","statusVal":"","statusType":"auto","x":730,"y":2040,"wires":[]},{"id":"a570b87f.d22fe8","type":"debug","z":"c74669a0.6a34f8","name":"out 3","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload","targetType":"msg","statusVal":"","statusType":"auto","x":730,"y":2080,"wires":[]}]