import Telnyx from 'telnyx';

const client = new Telnyx({
  apiKey: 'My API Key',
});

const response = await client.messages.cancelScheduled('182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e');

console.log(response.id);

{
  "record_type": "message",
  "direction": "outbound",
  "id": "40385f64-5717-4562-b3fc-2c963f66afa6",
  "type": "SMS",
  "messaging_profile_id": "4000eba1-a0c0-4563-9925-b25e842a7cb6",
  "organization_id": "b448f9cc-a842-4784-98e9-03c1a5872950",
  "from": {
    "phone_number": "+18445550001",
    "carrier": "TELNYX LLC",
    "line_type": "VoIP"
  },
  "to": [
    {
      "phone_number": "+18665550001",
      "status": "cancelled",
      "carrier": "T-MOBILE USA, INC.",
      "line_type": "Wireless"
    }
  ],
  "cc": [],
  "text": "Hello, World!",
  "subject": "From Telnyx!",
  "media": [],
  "webhook_url": "https://www.example.com/hooks",
  "webhook_failover_url": "https://backup.example.com/hooks",
  "encoding": "GSM-7",
  "parts": 1,
  "tags": [
    "Greetings"
  ],
  "cost": {
    "amount": 0,
    "currency": null
  },
  "cost_breakdown": null,
  "tcr_campaign_id": "TCPA3X7",
  "tcr_campaign_billable": true,
  "tcr_campaign_registered": "REGISTERED",
  "received_at": "2019-01-23T18:10:02.574Z",
  "sent_at": null,
  "completed_at": null,
  "valid_until": null,
  "errors": []
}