"structureexpressiontokens.htm#STRUCTURE_HAS_UNIQUE_KEY" class="hs0">&lt;STRUCTURE_HAS_UNIQUE_KEY&gt;</a><span class="ts3">&nbsp;expression.</span></p>
              <p><span class="ts3">&nbsp;</span></p>
              <p><span class="ts8">IMPORTANT:</span><span class="ts3">&nbsp;The value produced by this token relies on the &quot;key of reference&quot; number being set on all access key definitions in the repository. If these are not set then the token will produce a value of 0 regardless of which key i