code: def dashboard_card(
      title: str = None, description: str = None, url: str = None
  ) -> str:
      """Generate a dashboard description card for ExplainerHub.
      Consists of title, description and url.
      """
      return f"""
  <div class="card">
    <div class="card-header">
      <h3 class="card-title">{title}</h3>
    </div>
    <div class="card-body">
      <div class="w-100">
      {description}
      </div>
    </div>
    <div class="card-footer">
      <div class="w-100">
      <a href="{url}" class="stretched-link">Go to dashboard</a>
      </div>
    </div>
  </div>
  """
  
file_path: explainerdashboard/explainerdashboard/to_html.py
label_desc: Use image node_id 8 for calling a global function with example usage: dashboard_card(title, description, url) and returns: str, title, str, description, str, url, str