Task: Database alerts with Notion and SIGNL4

n8n workflow JSON:
{"nodes":[{"name":"Function","type":"n8n-nodes-base.function","position":[230,710],"parameters":{"functionCode":"// Code here will run only once, no matter how many input items there are.\n// More info and help: https://docs.n8n.io/nodes/n8n-nodes-base.function\n\n// Loop over inputs and add a new field called 'myNewField' to the JSON of each one\nfor (item of items) {\n  \nvar type = \"Status\";\n// Acknowledged\nif ((item.json.body.alert.statusCode == 2)  && (item.json.body.eventType == 201)) {\n    type = \"Acknowledged\";\n}\n// Closed\nif ((item.json.body.alert.statusCode == 4) & (item.json.body.eventType == 201)) {\n    type = \"Closed\";\n}\n// New Alert\nif ((item.json.body.alert.statusCode == 1) & (item.json.body.eventType == 200)) {\n    type = \"New Alert\";\n}\n\n// No one on duty\nif ((item.json.body.alert.statusCode == 16) & (item.json.body.eventType == 201)) {\n    type = \"No one on duty\";\n}\n \n// Annotation\nvar annotation = \"\";\nif ((item.json.body.eventType == 203) & (item.json.body.annotation != undefined) ) {\n    type = \"Annotated\";\n    annotation = item.json.body.annotation.message;\n}\nif (annotation != \"\") {\n    annotation = \": \" + annotation;\n}\n \nvar username = \"System\";\nif (item.json.body.user != undefined) {\n    username = item.json.body.user.username;\n}\n \nvar data = type + \" by \" + username + annotation;\n \nitem.json.s4Status = data; //  + \": \" + JSON.stringify(item.json);\n\n\nitem.json.s4Up = false;\nif (type == \"Closed\") {\n  item.json.s4Up = true;\n}\n\n}\n\n// You can write logs to the browser console\nconsole.log('Done!');\n\nreturn items;\n\n\n"},"typeVersion":1},{"name":"Notion Trigger","type":"n8n-nodes-base.notionTrigger","disabled":true,"position":[230,210],"parameters":{"event":"pageAddedToDatabase","pollTimes":{"item":[{"mode":"everyX","unit":"minutes","value":1}]},"databaseId":"0f26823d-f509-43bb-b0e9-e9bb4ab91217"},"credentials":{"notionApi":"Notion"},"typeVersion":1},{"name":"Webhook","type":"n8n-nodes-base.webhook","position":[50,710],"webhookId":"95fd62c7-fc8c-4f6f-8441-bbf85a2da81a","parameters":{"path":"95fd62c7-fc8c-4f6f-8441-bbf85a2da81a","options":{},"httpMethod":"POST"},"typeVersion":1},{"name":"Function","type":"n8n-nodes-base.function","position":[230,710],"parameters":{"functionCode":"// Code here will run only once, no matter how many input items there are.\n// More info and help: https://docs.n8n.io/nodes/n8n-nodes-base.function\n\n// Loop over inputs and add a new field called 'myNewField' to the JSON of each one\nfor (item of items) {\n  \nvar type = \"Status\";\n// Acknowledged\nif ((item.json.body.alert.statusCode == 2)  && (item.json.body.eventType == 201)) {\n    type = \"Acknowledged\";\n}\n// Closed\nif ((item.json.body.alert.statusCode == 4) & (item.json.body.eventType == 201)) {\n    type = \"Closed\";\n}\n// New Alert\nif ((item.json.body.alert.statusCode == 1) & (item.json.body.eventType == 200)) {\n    type = \"New Alert\";\n}\n\n// No one on duty\nif ((item.json.body.alert.statusCode == 16) & (item.json.body.eventType == 201)) {\n    type = \"No one on duty\";\n}\n \n// Annotation\nvar annotation = \"\";\nif ((item.json.body.eventType == 203) & (item.json.body.annotation != undefined) ) {\n    type = \"Annotated\";\n    annotation = item.json.body.annotation.message;\n}\nif (annotation != \"\") {\n    annotation = \": \" + annotation;\n}\n \nvar username = \"System\";\nif (item.json.body.user != undefined) {\n    username = item.json.body.user.username;\n}\n \nvar data = type + \" by \" + username + annotation;\n \nitem.json.s4Status = data; //  + \": \" + JSON.stringify(item.json);\n\n\nitem.json.s4Up = false;\nif (type == \"Closed\") {\n  item.json.s4Up = true;\n}\n\n}\n\n// You can write logs to the browser console\nconsole.log('Done!');\n\nreturn items;\n\n\n"},"typeVersion":1},{"name":"Notion Update","type":"n8n-nodes-base.notion","position":[420,710],"parameters":{"pageId":"={{$node[\"Webhook\"].json[\"body\"][\"alert\"][\"externalEventId\"]}}","resource":"databasePage","operation":"update","propertiesUi":{"propertyValues":[{"key":"Description|rich_text","peopleValue":[],"textContent":"={{$node[\"Function\"].json[\"s4Status\"]}}","relationValue":[],"multiSelectValue":[]}]}},"credentials":{"notionApi":"Notion"},"typeVersion":1},{"name":"Interval","type":"n8n-nodes-base.interval","position":[50,380],"parameters":{"interval":20},"typeVersion":1},{"name":"SIGNL4 Resolve","type":"n8n-nodes-base.signl4","position":[420,540],"parameters":{"operation":"resolve","externalId":"={{$node[\"Notion Read Open\"].json[\"id\"]}}"},"credentials":{"signl4Api":"SIGNL4"},"typeVersion":1},{"name":"SIGNL4 Alert","type":"n8n-nodes-base.signl4","position":[420,210],"parameters":{"message":"=Machine Alert: {{$node[\"Notion Trigger\"].json[\"Name\"]}}","additionalFields":{"title":"n8n Alert","externalId":"={{$node[\"Notion Trigger\"].json[\"id\"]}}","locationFieldsUi":{"locationFieldsValues":{"latitude":"52.3992137","longitude":"13.0583823"}}}},"credentials":{"signl4Api":"SIGNL4"},"typeVersion":1},{"name":"Notion Update Read","type":"n8n-nodes-base.notion","position":[570,380],"parameters":{"pageId":"={{$node[\"Notion Read New\"].json[\"id\"]}}","resource":"databasePage","operation":"update","propertiesUi":{"propertyValues":[{"key":"Read|checkbox","peopleValue":[],"checkboxValue":true,"relationValue":[],"multiSelectValue":[]}]}},"credentials":{"notionApi":"Notion"},"typeVersion":1},{"name":"Notion Read Open","type":"n8n-nodes-base.notion","position":[230,540],"parameters":{"options":{"filter":{"multipleCondition":{"condition":{"and":[{"key":"Up|checkbox","condition":"equals","checkboxValue":true,"multiSelectValue":[]},{"key":"Read|checkbox","condition":"equals","checkboxValue":true,"multiSelectValue":[]}]}}}},"resource":"databasePage","operation":"getAll","databaseId":"0f26823d-f509-43bb-b0e9-e9bb4ab91217"},"credentials":{"notionApi":"Notion"},"typeVersion":1},{"name":"Notion Read New","type":"n8n-nodes-base.notion","position":[230,380],"parameters":{"options":{"filter":{"multipleCondition":{"condition":{"and":[{"key":"Read|checkbox","condition":"equals","multiSelectValue":[]},{"key":"Up|checkbox","condition":"equals","multiSelectValue":[]}]}}}},"resource":"databasePage","operation":"getAll","databaseId":"0f26823d-f509-43bb-b0e9-e9bb4ab91217"},"credentials":{"notionApi":"Notion"},"typeVersion":1},{"name":"Notion Update Final","type":"n8n-nodes-base.notion","position":[570,540],"parameters":{"pageId":"={{$node[\"Notion Read Open\"].json[\"id\"]}}","resource":"databasePage","operation":"update","propertiesUi":{"propertyValues":[{"key":"Read|checkbox","peopleValue":[],"relationValue":[],"multiSelectValue":[]}]}},"credentials":{"notionApi":"Notion"},"typeVersion":1},{"name":"SIGNL4 Alert 2","type":"n8n-nodes-base.signl4","position":[420,380],"parameters":{"message":"=Machine Alert: {{$node[\"Notion Read New\"].json[\"Name\"]}}","additionalFields":{"title":"n8n Alert","externalId":"={{$node[\"Notion Read New\"].json[\"id\"]}}","locationFieldsUi":{"locationFieldsValues":{"latitude":"52.3992137","longitude":"13.0583823"}}}},"credentials":{"signl4Api":"SIGNL4"},"typeVersion":1}],"connections":{"Webhook":{"main":[[{"node":"Function","type":"main","index":0}]]},"Function":{"main":[[{"node":"Notion Update","type":"main","index":0}]]},"Interval":{"main":[[{"node":"Notion Read Open","type":"main","index":0},{"node":"Notion Read New","type":"main","index":0}]]},"Notion Trigger":{"main":[[{"node":"SIGNL4 Alert","type":"main","index":0}]]},"SIGNL4 Alert 2":{"main":[[{"node":"Notion Update Read","type":"main","index":0}]]},"SIGNL4 Resolve":{"main":[[{"node":"Notion Update Final","type":"main","index":0}]]},"Notion Read New":{"main":[[{"node":"SIGNL4 Alert 2","type":"main","index":0}]]},"Notion Read Open":{"main":[[{"node":"SIGNL4 Resolve","type":"main","index":0}]]}}}