Hello I'm using the node-red-contrib-tfjs-coco-ssd node for object detection. The msg.payload is an array with objects and other arrays inside and looks like this: [ {"bbox":[97.20104217529297,303.84454250335693,736.6763687133789,605.1833009719849], "class":"car", "score":0.972379744052887}, {…

If you set the debug to show complete message you should see a property called msg.classes that already has the information you want. You can use a change node to move this to msg.payload and then a json node to make it into a string and then send to udp.

E1cid 22 February 2021 17:18 9

concat the items in jsonata, or add a json node after and return a string

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Message Payload - Split

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