Workflow: Mattermost Pagerduty Automate

{
    "nodes": [
        {
            "name": "Webhook",
            "type": "n8n-nodes-base.webhook",
            "position": [
                450,
                300
            ],
            "webhookId": "213324b6-b84d-42f9-af3b-42804cc71cd1",
            "parameters": {
                "path": "213324b6-b84d-42f9-af3b-42804cc71cd1",
                "options": [],
                "httpMethod": "POST"
            },
            "typeVersion": 1
        },
        {
            "name": "PagerDuty",
            "type": "n8n-nodes-base.pagerDuty",
            "position": [
                650,
                300
            ],
            "parameters": {
                "email": "n8ndocsburner@gmail.com",
                "operation": "update",
                "incidentId": "={{$json[\"body\"][\"context\"][\"pagerduty_incident\"]}}",
                "updateFields": {
                    "status": "acknowledged"
                }
            },
            "credentials": {
                "pagerDutyApi": "PagerDuty Credentials"
            },
            "typeVersion": 1
        },
        {
            "name": "Mattermost",
            "type": "n8n-nodes-base.mattermost",
            "position": [
                850,
                300
            ],
            "parameters": {
                "message": "\ud83d\udcaa\ud83c\udffc Incident status has been changed to Acknowledged on PagerDuty.",
                "channelId": "={{$node[\"Webhook\"].json[\"body\"][\"channel_id\"]}}",
                "attachments": [],
                "otherOptions": []
            },
            "credentials": {
                "mattermostApi": "Mattermost Credentials"
            },
            "typeVersion": 1
        }
    ],
    "connections": {
        "Webhook": {
            "main": [
                [
                    {
                        "node": "PagerDuty",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "PagerDuty": {
            "main": [
                [
                    {
                        "node": "Mattermost",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        }
    }
}