Workflow: Mautic Twilio Update

{
    "id": "13",
    "name": "Receive updates when a form is submitted in Mautic, and send a confirmation SMS",
    "nodes": [
        {
            "name": "Mautic Trigger",
            "type": "n8n-nodes-base.mauticTrigger",
            "position": [
                510,
                300
            ],
            "webhookId": "9dce2b84-33fe-4816-ae4b-301c208b5384",
            "parameters": {
                "events": [
                    "mautic.form_on_submit"
                ]
            },
            "credentials": {
                "mauticApi": "mautic"
            },
            "typeVersion": 1
        },
        {
            "name": "Twilio",
            "type": "n8n-nodes-base.twilio",
            "position": [
                710,
                300
            ],
            "parameters": {
                "to": "={{$node[\"Mautic Trigger\"].json[\"mautic.form_on_submit\"][0][\"submission\"][\"results\"][\"phone_number\"]}}",
                "from": "1234",
                "message": "=Hey, {{$node[\"Mautic Trigger\"].json[\"mautic.form_on_submit\"][0][\"submission\"][\"results\"][\"first_name\"]}} \ud83d\udc4b\nThank you for signing up for the Webinar - Getting Started with n8n. The webinar will start at 1800 CEST on 31st October 2020.\nSee you there!"
            },
            "credentials": {
                "twilioApi": "twilio"
            },
            "typeVersion": 1
        }
    ],
    "active": false,
    "settings": [],
    "connections": {
        "Mautic Trigger": {
            "main": [
                [
                    {
                        "node": "Twilio",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        }
    }
}