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.missions.runs.plan.addStepsToPlan(
  '182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e',
  {
    mission_id: '182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e',
    steps: [
      {
        description: 'description',
        sequence: 0,
        step_id: 'step_id',
      },
    ],
  },
);

console.log(response.data);

{
  "data": [
    {
      "step_id": "<string>",
      "run_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "sequence": 123,
      "description": "<string>",
      "status": "pending",
      "parent_step_id": "<string>",
      "started_at": "2023-11-07T05:31:56Z",
      "completed_at": "2023-11-07T05:31:56Z",
      "metadata": {}
    }
  ]
}