import Telnyx from 'telnyx';

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

const phoneNumber = await client.externalConnections.phoneNumbers.update('1234567889', { id: 'id' });

console.log(phoneNumber.data);

{
  "data": {
    "ticket_id": "542c3bca-d247-42bc-8fe7-e01d16ecd761",
    "telephone_number": "<string>",
    "number_id": "<string>",
    "civic_address_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "location_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "displayed_country_code": "<string>",
    "acquired_capabilities": [
      "FirstPartyAppAssignment"
    ]
  }
}