9 col-md-8 main-content">
      <div><h1>userAgent property</h1></div>

        <section class="multi-line-signature">
          <span class="returntype"><a href="dart-core/String-class.html">String</a></span>
          <span class="name ">userAgent</span>
          <div class="features">read / write</div>
        </section>
        <section class="desc markdown">
          <p>Gets and sets the default value of the <code>User-Agent</code> header for all requests
generated by this <a href="dart-io/HttpClient