Can you show me where I should use?
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\n text[mykey] = myObj[\"value\"];\n \n text1 = JSON.stringify([text]);\n let obiekt = JSON.parse(text1);\n \n msg.payload = obiekt;\n return msg;\n}","outputs":1,"noerr":0,"x":845,"y":160,"wires":[["44308971.15daa8","5f56bea8.94797"]]},{"id":"65dcd1c3.482c9","type":"comment","z":"6073b3f4.c453cc","name":"Sterownik Grzanie","info":"","x":720,"y":40,"wires":[]},{"id":"60ad2094.0598b","type":"function","z":"6073b3f4.c453cc","name":"","func":"const x = msg.payload;\n\ntry{\n if(x == \"\") throw \"empty\";\n node.status({fill:\"blue\",shape:\"dot\",text:\"on\"});\n\nmsg.topic = \"KIL4/SH\";\n\nlet text = {};\nlet text1 = {};\n\n\n let mykey = \"Flow_loopEdge\"; \n text[mykey] = \"OK\";\n \n text1 = JSON.stringify([text]);\n let obiekt = JSON.parse(text1);\n \n msg.payload = obiekt;\nreturn msg;\n\n}\n\ncatch(err){\n node.error(err)\n node.status({fill:\"red\",shape:\"ring\",text:\"error\"});\n \nmsg.topic = \"KIL4/SH\";\n\nlet text = {};\nlet text1 = {};\n\n\n let mykey = \"Flow_loopEdge\"; \n text[mykey] = \"NOK\";\n \n text1 = JSON.stringify([text]);\n let obiekt = JSON.parse(text1);\n \n msg.payload = obiekt;\nreturn msg;\n}","outputs":1,"noerr":0,"x":800,"y":280,"wires":[["44308971.15daa8"]]},{"id":"73bd8497.0bef8c","type":"function","z":"6073b3f4.c453cc","name":"","func":"const mykey = \"Flow_loopEdge\";\nmsg.topic = \"KIL4/SH\";\ntry {\n if (msg.payload == \"\") throw \"empty\";\n node.status({ fill: \"blue\", shape: \"dot\", text: \"on\" });\n msg.payload = { [mykey] : \"OK\"};\n} catch (err) {\n node.error(err, msg);\n node.status({ fill: \"red\", shape: \"ring\", text: \"error\" });\n msg.payload = { [mykey]: \"NOK\" };\n}\nreturn msg;\n","outputs":1,"noerr":0,"x":845,"y":80,"wires":[["6e0a6a36.91cbf4"]]},{"id":"6e0a6a36.91cbf4","type":"debug","z":"6073b3f4.c453cc","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","x":1060,"y":40,"wires":[]},{"id":"752552c.ec79eac","type":"mqtt-broker","z":"","name":"","broker":"10.219.54.6","port":"8883","tls":"d9bf52f5.81cf4","clientid":"","usetls":true,"compatmode":false,"keepalive":"60","cleansession":true,"birthTopic":"","birthQos":"0","birthPayload":"","closeTopic":"","closePayload":"","willTopic":"","willQos":"0","willPayload":""},{"id":"42b5d73d.136d98","type":"Datahub Connect","z":"","ipadd":"127.0.0.1","port":"4222"},{"id":"d9bf52f5.81cf4","type":"tls-config","z":"","name":"MQTT","cert":"","key":"","ca":"","certname":"client-cert.pem","keyname":"client-key.pem","caname":"ca.pem","servername":"","verifyservercert":true}]