Task: Manage custom incident response in PagerDuty and Jira

n8n workflow:
{"nodes":[{"name":"Ack","type":"n8n-nodes-base.webhook","position":[-160,1440],"webhookId":"d3025d6c-5956-439e-9c9a-db3ef524a24f","parameters":{"path":"/ack","options":{},"httpMethod":"POST"},"typeVersion":1},{"name":"Resolve","type":"n8n-nodes-base.webhook","position":[120,1880],"webhookId":"92d7ddfa-20f9-49bc-976e-4f6c76c0b3b4","parameters":{"path":"/resolve","options":{},"httpMethod":"POST"},"typeVersion":1},{"name":"Webhook","type":"n8n-nodes-base.webhook","position":[60,1040],"webhookId":"9888d896-dd23-4e97-9d16-c12055b64133","parameters":{"path":"9888d896-dd23-4e97-9d16-c12055b64133","options":{},"httpMethod":"POST"},"typeVersion":1},{"name":"Jira1","type":"n8n-nodes-base.jira","position":[680,1040],"parameters":{"project":"10016","summary":"={{$node[\"Webhook\"].json[\"body\"][\"event\"][\"data\"][\"title\"]}}","issueType":"10007","additionalFields":{"assignee":"qwertz12345"}},"credentials":{"jiraSoftwareCloudApi":{"id":"64","name":"Jira SW Cloud account"}},"typeVersion":1},{"name":"Jira2","type":"n8n-nodes-base.jira","position":[540,1880],"parameters":{"issueKey":"={{$node[\"Resolve\"].json[\"body\"][\"context\"][\"jira_key\"]}}","operation":"update","updateFields":{"statusId":"31"}},"credentials":{"jiraSoftwareCloudApi":{"id":"64","name":"Jira SW Cloud account"}},"typeVersion":1},{"name":"PagerDuty1","type":"n8n-nodes-base.pagerDuty","position":[60,1440],"parameters":{"email":"address@mail.com","resource":"incident","operation":"update","incidentId":"={{$json[\"body\"][\"context\"][\"pagerduty_incident\"]}}","updateFields":{"status":"acknowledged"},"authentication":"apiToken","conferenceBridgeUi":{}},"credentials":{"pagerDutyApi":{"id":"65","name":"PagerDuty account"}},"typeVersion":1},{"name":"PagerDuty2","type":"n8n-nodes-base.pagerDuty","position":[340,1880],"parameters":{"email":"address@mail.com","resource":"incident","operation":"update","incidentId":"={{$json[\"body\"][\"context\"][\"pagerduty_incident\"]}}","updateFields":{"status":"resolved"},"authentication":"apiToken","conferenceBridgeUi":{}},"credentials":{"pagerDutyApi":{"id":"65","name":"PagerDuty account"}},"typeVersion":1},{"name":"Mattermost5","type":"n8n-nodes-base.mattermost","position":[300,1440],"parameters":{"message":"💪🏼 Incident status has been changed to Acknowledged on PagerDuty.","channelId":"={{$node[\"Ack\"].json[\"body\"][\"channel_id\"]}}","attachments":[],"otherOptions":{}},"credentials":{"mattermostApi":{"id":"61","name":"Mattermost account"}},"typeVersion":1},{"name":"Mattermost6","type":"n8n-nodes-base.mattermost","position":[760,1760],"parameters":{"message":"💪 This issue got closed in PagerDuty and Jira.","channelId":"={{$node[\"Resolve\"].json[\"body\"][\"channel_id\"]}}","attachments":[],"otherOptions":{}},"credentials":{"mattermostApi":{"id":"61","name":"Mattermost account"}},"typeVersion":1},{"name":"Mattermost4","type":"n8n-nodes-base.mattermost","position":[900,1180],"parameters":{"message":"=⚠️ {{$node[\"Webhook\"].json[\"body\"][\"messages\"][0][\"log_entries\"][0][\"incident\"][\"summary\"]}}\nPagerDuty incident: {{$node[\"Webhook\"].json[\"body\"][\"messages\"][0][\"log_entries\"][0][\"incident\"][\"html_url\"]}}\nJira issue: https://n8n.atlassian.net/browse/{{$json[\"key\"]}}","channelId":"={{$node[\"Mattermost1\"].json[\"id\"]}}","attachments":[{"actions":{"item":[{"name":"Acknowledge","type":"button","options":{},"data_source":"custom","integration":{"item":{"url":"https://username.app.n8n.cloud/webhook/ack","context":{"property":[{"name":"pagerduty_incident","value":"={{ $node[\"Webhook\"].json[\"body\"][\"event\"][\"data\"][\"id\"] }}"}]}}}},{"name":"Resolve","type":"button","options":{},"data_source":"custom","integration":{"item":{"url":"https://username.app.n8n.cloud/webhook/resolve","context":{"property":[{"name":"jira_key","value":"={{$json[\"key\"]}}"},{"name":"pagerduty_incident","value":"={{ $node[\"Webhook\"].json[\"body\"][\"event\"][\"data\"][\"id\"] }}"}]}}}}]}}],"otherOptions":{}},"credentials":{"mattermostApi":{"id":"61","name":"Mattermost account"}},"typeVersion":1},{"name":"Mattermost3","type":"n8n-nodes-base.mattermost","position":[900,940],"parameters":{"message":"=🚨 New incident: \nAuxiliary Channel -> https://mattermost.internal.n8n.io/test/channels/{{$node[\"Mattermost1\"].json[\"name\"]}}\nPagerDuty Incident -> {{$node[\"Webhook\"].json[\"body\"][\"event\"][\"data\"][\"html_url\"]}}\nJira Issue -> https://n8n.atlassian.net/browse/{{$json[\"key\"]}}","channelId":"qwertz12345","attachments":[],"otherOptions":{}},"credentials":{"mattermostApi":{"id":"61","name":"Mattermost account"}},"typeVersion":1},{"name":"Mattermost2","type":"n8n-nodes-base.mattermost","position":[480,1040],"parameters":{"userId":"qwertz12345","resource":"channel","channelId":"={{$json[\"id\"]}}","operation":"addUser"},"credentials":{"mattermostApi":{"id":"61","name":"Mattermost account"}},"typeVersion":1},{"name":"Mattermost1","type":"n8n-nodes-base.mattermost","position":[280,1040],"parameters":{"teamId":"qwertz12345","channel":"={{$json[\"body\"][\"event\"][\"data\"][\"incident_key\"]}}","resource":"channel","displayName":"={{$json[\"body\"][\"event\"][\"data\"][\"title\"]}}"},"credentials":{"mattermostApi":{"id":"61","name":"Mattermost account"}},"typeVersion":1},{"name":"Mattermost7","type":"n8n-nodes-base.mattermost","position":[760,1980],"parameters":{"message":"=🎉 The incident ({{$node[\"PagerDuty2\"].json[\"summary\"]}}) was resolved by the lovely folks in the on-call team!","channelId":"qwertz12345","attachments":[],"otherOptions":{}},"credentials":{"mattermostApi":{"id":"61","name":"Mattermost account"}},"typeVersion":1}],"connections":{"Ack":{"main":[[{"node":"PagerDuty1","type":"main","index":0}]]},"Jira1":{"main":[[{"node":"Mattermost3","type":"main","index":0},{"node":"Mattermost4","type":"main","index":0}]]},"Jira2":{"main":[[{"node":"Mattermost6","type":"main","index":0},{"node":"Mattermost7","type":"main","index":0}]]},"Resolve":{"main":[[{"node":"PagerDuty2","type":"main","index":0}]]},"Webhook":{"main":[[{"node":"Mattermost1","type":"main","index":0}]]},"PagerDuty1":{"main":[[{"node":"Mattermost5","type":"main","index":0}]]},"PagerDuty2":{"main":[[{"node":"Jira2","type":"main","index":0}]]},"Mattermost1":{"main":[[{"node":"Mattermost2","type":"main","index":0}]]},"Mattermost2":{"main":[[{"node":"Jira1","type":"main","index":0}]]}}}