import Telnyx from 'telnyx';

const client = new Telnyx({
  apiKey: process.env['TELNYX_API_KEY'], // This is the default and can be omitted
});

const dynamicEmergencyEndpoint = await client.dynamicEmergencyEndpoints.create({
  callback_number: '+13125550000',
  caller_name: 'Jane Doe Desk Phone',
  dynamic_emergency_address_id: '0ccc7b54-4df3-4bca-a65a-3da1ecc777f0',
});

console.log(dynamicEmergencyEndpoint.data);

{
  "data": {
    "dynamic_emergency_address_id": "0ccc7b54-4df3-4bca-a65a-3da1ecc777f0",
    "callback_number": "+13125550000",
    "caller_name": "Jane Doe Desk Phone",
    "id": "0ccc7b54-4df3-4bca-a65a-3da1ecc777f0",
    "record_type": "dynamic_emergency_endpoint",
    "status": "pending",
    "sip_from_id": "FXDFWEDF",
    "created_at": "2018-02-02T22:25:27.521Z",
    "updated_at": "2018-02-02T22:25:27.521Z"
  }
}