Apply a Template

(function() {
  // CONFIG: point this at your own template
  var TEMPLATE_SYS_ID = 'REPLACE_WITH_TEMPLATE_SYS_ID'; // 32-char sys_id
  var TEMPLATE_NAME   = 'My Template';                  // display label

  if (!/^[a-f0-9]{32}$/i.test(TEMPLATE_SYS_ID)) {
    alert('Set TEMPLATE_SYS_ID to a valid 32-char sys_id first.');
    return;
  }

  var token = window.g_ck || document.querySelector('input[name="sysparm_ck"]')?.value || '';
  var xhr = new XMLHttpRequest();
  xhr.open('GET', '/api/now/table/sys_template/' + TEMPLATE_SYS_ID, false);
  xhr.setRequestHeader('Accept', 'application/json');
  xhr.setRequestHeader('X-UserToken', token);
  xhr.send();

  var result = JSON.parse(xhr.responseText).result;
  if (!result || !result.template) { alert('Template not found!'); return; }

  // Apply each field defined in the template string
  result.template.split('^').forEach(function(field) {
    var parts = field.split('=');
    if (parts.length >= 2) {
      var name = parts[0].trim();
      var value = parts.slice(1).join('=').trim();
      try { g_form.setValue(name, value); } catch (e) {}
    }
  });

  // Optional: stamp the applied-template reference field (if you use one)
  try { g_form.setValue('u_applied_template', TEMPLATE_SYS_ID, TEMPLATE_NAME); } catch (e) {}
})();