Workflow: configure an n8n workflow for Mattermost Webhook Automate Webhook
Integrations: jira, mattermost, pagerDuty, webhook

{"nodes": [{"name": "Mattermost", "type": "n8n-nodes-base.mattermost", "position": [1050, 200], "parameters": {"message": "\ud83d\udcaa This issue got closed in PagerDuty and Jira.", "channelId": "={{$node[\"Webhook\"].json[\"body\"][\"channel_id\"]}}", "attachments": [], "otherOptions": {}}, "credentials": {"mattermostApi": "Mattermost Credentials"}, "typeVersion": 1}, {"name": "Mattermost1", "type": "n8n-nodes-base.mattermost", "position": [1050, 400], "parameters": {"message": "=\ud83c\udf89 The incident ({{$node[\"PagerDuty\"].json[\"summary\"]}}) was resolved by the lovely folks in the on-call team!", "channelId": "k1h3du9r9byyfg7sys8ib6p3ey", "attachments": [], "otherOptions": {}}, "credentials": {"mattermostApi": "Mattermost Credentials"}, "typeVersion": 1}, {"name": "Jira", "type": "n8n-nodes-base.jira", "position": [850, 300], "parameters": {"issueKey": "={{$node[\"Webhook\"].json[\"body\"][\"context\"][\"jira_key\"]}}", "operation": "update", "updateFields": {"statusId": "31"}}, "credentials": {"jiraSoftwareCloudApi": "jira"}, "typeVersion": 1}, {"name": "PagerDuty", "type": "n8n-nodes-base.pagerDuty", "position": [650, 300], "parameters": {"email": "n8ndocsburner@gmail.com", "operation": "update", "incidentId": "={{$json[\"body\"][\"context\"][\"pagerduty_incident\"]}}", "updateFields": {"status": "resolved"}}, "credentials": {"pagerDutyApi": "PagerDuty Credentials"}, "typeVersion": 1}, {"name": "Webhook", "type": "n8n-nodes-base.webhook", "position": [450, 300], "webhookId": "1bd40693-c7dd-43f5-97d9-6d8986e62fc1", "parameters": {"path": "1bd40693-c7dd-43f5-97d9-6d8986e62fc1", "options": {}, "httpMethod": "POST"}, "typeVersion": 1}], "connections": {"Jira": {"main": [[{"node": "Mattermost", "type": "main", "index": 0}, {"node": "Mattermost1", "type": "main", "index": 0}]]}, "Webhook": {"main": [[{"node": "PagerDuty", "type": "main", "index": 0}]]}, "PagerDuty": {"main": [[{"node": "Jira", "type": "main", "index": 0}]]}}}