function execute() {
  const identifierArr = `${nodeName}-array`;
  const identifierIndex = `${nodeName}-index`;

  // Setup array
  if (globalContext[identifierArr] === undefined) {
    globalContext[identifierArr] = [];
  }

  if (globalContext[identifierIndex] === undefined) {
    globalContext[identifierIndex] = 0;
  }

  switch (trigger) {
    case 0: {
      // Trigger
      const index = globalContext[identifierIndex];
      const value = globalContext[identifierArr][index];
      const endOfList = globalContext[identifierArr].length <= (index + 1);

      globalContext[identifierIndex] += 1;
      return [value, index, endOfList];
    }
    case 1:
      // Set Index
      globalContext[identifierIndex] = 0;
      break;
    default: break;
  }

  return [];
}