import Telnyx from 'telnyx';

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

const migrationSource = await client.storage.migrationSources.retrieve('');

console.log(migrationSource.data);

{
  "data": {
    "provider": "aws",
    "provider_auth": {
      "access_key": "<string>",
      "secret_access_key": "<string>"
    },
    "bucket_name": "<string>",
    "id": "<string>",
    "source_region": "<string>"
  }
}