ional. The user name/ID that the subject represents.</p></td><td>No</td></tr><tr id=Subject-properties><td><code>properties</code></td><td><code>map&lt;string,&nbsp;string></code></td><td><p>Optional. The set of properties that identify the subject.</p></td><td>No</td></tr></tbody></table></section></article><nav class=pagenav><div class=left><a title=授权策略中支持的条件。 href=/v1.13/zh/docs/reference/config/security/conditions/ class=next-link><svg class="icon left-arrow"><use xlink:href="/v1.