te a corresponding call to <code>setAuthorizationData</code>.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">service</td><td>Indicates the authorization service. </td></tr>
    <tr><td class="paramname">key</td><td>The key of the data requested. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Returns the value of the key if available. Otherwise, returns an empty string. </dd></dl>

</div>
</div>
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