import Telnyx from 'telnyx';

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

const response = await client.ai.assistants.tools.test('tool_id', { assistant_id: 'assistant_id' });

console.log(response.data);

{
  "data": {
    "success": true,
    "status_code": 123,
    "content_type": "<string>",
    "response": "<string>",
    "request": {}
  }
}