fd-config.html

<script type="text/javascript">
  RED.nodes.registerType('fd-config', {
    category: 'config',
    defaults: {
      subdomain: {value: "", required:true},
      key: {value: "", required:true},
      defaultuser: {value: "", required:true, type: "integer"},
      defaultgroup: {value: "", required:true, type: "integer"}
    },
    label: function () {
      return this.subdomain + ".freshdesk.com";
    }
  });
</script>
<script type="text/x-red" data-template-name="fd-config">
  <div class="form-row">
    <label for="node-config-input-subdomain"><i class="icon-globe"></i> Subdomain</label>
    <input type="text" id="node-config-input-subdomain">
  </div>
  <div class="form-row">
    <label for="node-config-input-key"><i class="icon-pencil"></i> API key</label>
    <input type="text" id="node-config-input-key">
  </div>
  <div class="form-row">
    <label for="node-config-input-defaultuser"><i class="icon-user"></i> Default user ID</label>
    <input type="text" id="node-config-input-defaultuser">
  </div>
  <div class="form-row">
    <label for="node-config-input-defaultgroup"><i class="icon-th-large"></i> Default group ID</label>
    <input type="text" id="node-config-input-defaultgroup">
  </div>
</script>