function main() {
  // Performance Thresholds
  var maxCPA = 50;  // Your maximum acceptable cost per acquisition
  var minClicks = 50; // Minimum clicks for reliable data

  // Timeframe: Analyze recent performance
  var dateRange = "LAST_30_DAYS"; 

  // Campaign Selection 
  var campaignName = "Campaign Name";

  // Get all the keywords in the specified campaign
  var keywordIterator = AdsApp.campaigns()
      .withCondition("Name = '" + campaignName + "'")
      .get()
      .keywords();

  while (keywordIterator.hasNext()) {
    var keyword = keywordIterator.next();

    // Gather keyword performance data
    var stats = keyword.getStatsFor(dateRange);
    var conversions = stats.getConversions();
    var cost = stats.getCost();
    var clicks = stats.getClicks();
    var currentCPA = cost / conversions;

    // Pause keywords if they exceed max CPA and have sufficient data
    if (currentCPA > maxCPA && clicks >= minClicks) {
      keyword.pause();
    }
  }
}