import Retell from 'retell-sdk';

const client = new Retell({
  apiKey: 'YOUR_RETELL_API_KEY',
});

const testCaseDefinitionResponse = await client.tests.createTestCaseDefinition({
  metrics: ['string'],
  name: 'name',
  response_engine: { llm_id: 'llm_id', type: 'retell-llm' },
  user_prompt: 'user_prompt',
});

console.log(testCaseDefinitionResponse.test_case_definition_id);

{
  "name": "<string>",
  "response_engine": {
    "type": "retell-llm",
    "llm_id": "<string>",
    "version": 0
  },
  "user_prompt": "<string>",
  "metrics": [
    "<string>"
  ],
  "dynamic_variables": {},
  "tool_mocks": [
    {
      "tool_name": "<string>",
      "input_match_rule": {
        "type": "any"
      },
      "output": "<string>",
      "result": true
    }
  ],
  "llm_model": "gpt-4.1",
  "test_case_definition_id": "<string>",
  "type": "simulation",
  "creation_timestamp": 123,
  "user_modified_timestamp": 123
}