Google apps script for an =openai() function

code.gs

function openai(prompt) {
  var scriptProperties = PropertiesService.getScriptProperties();
  var apiKey = scriptProperties.getProperty('OPENAI_API_KEY');
  var apiEndpoint = "https://api.openai.com/v1/chat/completions";

  var data = {
    "model": "gpt-4o",  // Specifying the model
    "messages": [
      {"role": "system", "content": prompt},
    ],
    "max_tokens": 150,
  };

  var options = {
    "method": "post",
    "contentType": "application/json",
    "payload": JSON.stringify(data),
    "headers": {
      "Authorization": "Bearer " + apiKey
    },
    "muteHttpExceptions": true
  };

  var response = UrlFetchApp.fetch(apiEndpoint, options);
  var responseText = response.getContentText();
  var responseData = JSON.parse(responseText);

  if (responseData.error) {
    return "Error: " + responseData.error.message; // Improved error handling
  }

  console.log(responseData.choices[0].message.content.trim())
  
  return responseData.choices[0].message.content.trim();
}

openai("hello world")