quired</th></tr></thead><tbody><tr id=Template-subject><td><code>subject</code></td><td><code><a href=#Subject>Subject</a></code></td><td><p>A subject contains a list of attributes that identify
the caller identity.</p></td><td>No</td></tr><tr id=Template-action><td><code>action</code></td><td><code><a href=#Action>Action</a></code></td><td><p>An action defines &ldquo;how a resource is accessed&rdquo;.</p></td><td>No</td></tr></tbody></table></section></article><nav class=pagenav><div class=left><a title="A