Task: Sync Zendesk tickets with subsequent comments to Asana tasks

n8n workflow JSON:
{"meta":{"instanceId":"237600ca44303ce91fa31ee72babcdc8493f55ee2c0e8aa2b78b3b4ce6f70bd9"},"nodes":[{"id":"1c041974-2a1f-4464-be3e-70b8a700f40d","name":"Get ticket","type":"n8n-nodes-base.zendesk","position":[460,480],"parameters":{"id":"={{$node[\"On new Zendesk ticket\"].json[\"body\"][\"id\"]}}","operation":"get"},"credentials":{"zendeskApi":{"id":"24","name":"[UPDATE ME]"}},"typeVersion":1},{"id":"a4a05b2a-2382-44af-8226-a2c60bee1ce3","name":"Create task","type":"n8n-nodes-base.asana","position":[1000,580],"parameters":{"name":"={{$node[\"Get ticket\"].json[\"subject\"]}}","workspace":"1177253494675264","otherProperties":{"assignee":"1202718619090236","assignee_status":"inbox"}},"credentials":{"asanaApi":{"id":"8","name":"[UPDATE ME]"}},"typeVersion":1},{"id":"55128ee9-9210-4341-bf9a-2e4ea415b668","name":"IF","type":"n8n-nodes-base.if","position":[820,480],"parameters":{"conditions":{"string":[{"value1":"={{$node[\"Determine\"].json[\"Asana GID\"]}}","operation":"isNotEmpty"}]}},"typeVersion":1},{"id":"6319045c-7df8-4031-b738-835f8fe12d06","name":"Update ticket","type":"n8n-nodes-base.zendesk","notes":"Update the Zendesk ticket by adding the Jira issue key to the \"Jira Issue Key\" field.","position":[1180,580],"parameters":{"id":"={{$node[\"On new Zendesk ticket\"].json[\"body\"][\"id\"]}}","operation":"update","updateFields":{"customFieldsUi":{"customFieldsValues":[{"id":6707064637597,"value":"={{$node[\"Create task\"].json[\"gid\"]}}"}]}}},"credentials":{"zendeskApi":{"id":"24","name":"[UPDATE ME]"}},"notesInFlow":true,"typeVersion":1},{"id":"39172e43-def7-4e05-9ce3-6d0bb1c3ff59","name":"Determine","type":"n8n-nodes-base.function","notes":"if issue was created already in Jira","position":[640,480],"parameters":{"functionCode":"/* configure here =========================================================== */\n/*  Zendesk field ID which represents the \"Jira Issue Key\" field.\n*/\nconst ISSUE_KEY_FIELD_ID = 6707064637597;\n\n/* ========================================================================== */\nnew_items = [];\n\nfor (item of $items(\"Get ticket\")) {\n    \n    // instantiate a new variable for status\n    var custom_fields = item.json[\"custom_fields\"];\n    var asana_gid = \"\";\n    for (var i = 0; i < custom_fields.length; i++) {\n        if (custom_fields[i].id == ISSUE_KEY_FIELD_ID) {\n            asana_gid = custom_fields[i].value;\n            break;\n        }\n    }\n\n    // push the new item to the new_items array\n    new_items.push({\n        \"Asana GID\": asana_gid\n    });\n}\n\nreturn new_items;"},"notesInFlow":true,"typeVersion":1},{"id":"26f2aaf3-8b21-429f-bfec-c5876792d4b9","name":"Create comment on existing task","type":"n8n-nodes-base.asana","position":[1000,380],"parameters":{"id":"={{$node[\"Determine\"].json[\"Asana GID\"]}}","text":"=<body>{{$node[\"On new Zendesk ticket\"].json[\"body\"][\"comment\"]}}</body>","resource":"taskComment","isTextHtml":true,"additionalFields":{}},"credentials":{"asanaApi":{"id":"8","name":"[UPDATE ME]"}},"typeVersion":1},{"id":"bbbf0fc1-3fa7-4a15-a949-c8d9d5e32031","name":"On new Zendesk ticket","type":"n8n-nodes-base.webhook","position":[280,480],"webhookId":"4637a853-0b3a-43d4-9d76-92e1ce87889d","parameters":{"path":"4637a853-0b3a-43d4-9d76-92e1ce87889d","options":{},"httpMethod":"POST"},"typeVersion":1}],"connections":{"IF":{"main":[[{"node":"Create comment on existing task","type":"main","index":0}],[{"node":"Create task","type":"main","index":0}]]},"Determine":{"main":[[{"node":"IF","type":"main","index":0}]]},"Get ticket":{"main":[[{"node":"Determine","type":"main","index":0}]]},"Create task":{"main":[[{"node":"Update ticket","type":"main","index":0}]]},"On new Zendesk ticket":{"main":[[{"node":"Get ticket","type":"main","index":0}]]}}}