Workflow: Mattermost Workflow Automate

{
    "nodes": [
        {
            "name": "Webhook",
            "type": "n8n-nodes-base.webhook",
            "position": [
                490,
                460
            ],
            "webhookId": "c0345765-4488-4ac8-a9da-02f647dd2b90",
            "parameters": {
                "path": "c0345765-4488-4ac8-a9da-02f647dd2b90",
                "options": []
            },
            "typeVersion": 1
        },
        {
            "name": "Set",
            "type": "n8n-nodes-base.set",
            "position": [
                690,
                460
            ],
            "parameters": {
                "values": {
                    "string": [
                        {
                            "name": "Message",
                            "value": "Hello!"
                        }
                    ]
                },
                "options": [],
                "keepOnlySet": true
            },
            "typeVersion": 1
        },
        {
            "name": "Mattermost",
            "type": "n8n-nodes-base.mattermost",
            "position": [
                690,
                610
            ],
            "parameters": {
                "message": "=The workflow {{$workflow.name}}, was updated.",
                "channelId": "toyi3uoycf8rirtm7d5jm15sso",
                "attachments": [],
                "otherOptions": []
            },
            "credentials": {
                "mattermostApi": "Mattermost Credentials"
            },
            "typeVersion": 1
        },
        {
            "name": "Workflow Trigger",
            "type": "n8n-nodes-base.workflowTrigger",
            "position": [
                490,
                610
            ],
            "parameters": {
                "events": [
                    "update"
                ]
            },
            "typeVersion": 1
        }
    ],
    "connections": {
        "Webhook": {
            "main": [
                [
                    {
                        "node": "Set",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Workflow Trigger": {
            "main": [
                [
                    {
                        "node": "Mattermost",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        }
    }
}