<div class="content" name="UniqueID" uuid="929f38d6-ca72-43fd-8984-8d0165bc3a7d"><p>The <b>UniqueID (get)</b> method returns the <b>Property
Value Definition.UniqueId</b> of the property definition value.</p><dl>
<dd>
<div><pre> [propget, id(FSRM_PROPERTY(FSRM_DISPID_PROPERTY_DEFINITION_VALUE | 0x04)) ,
 helpstring(&#34;This property contains the unique ID of the property definition value&#34;)] HRESULT UniqueID(
   [out, retval] BSTR* uniqueID
 );
</pre></div>
</dd></dl><p><b>uniqueID: </b>Pointer to a variable that, upon
completion, contains the <b>Property Value Definition.UniqueId</b> of the
property definition value.</p><p><b>Return Values: </b>The method MUST return zero on
success, or a nonzero error code on failure.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Return value/code</p>
   </th>
   <th>
   <p>Description</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>0x80070057 E_INVALIDARG</td>
  <td>The uniqueID parameter is NULL.</td>
 </tr></tbody></table>
</dd></dl><p>Upon receiving this message, the server MUST validate
parameters:</p><ul><li><p><span><span> 
</span></span>Verify that <i>uniqueID</i> is not NULL.</p>
</li></ul><p>If any validation fails, the server MUST terminate
processing and return a nonzero error code.</p><p>The server MUST set <i>uniqueID</i> to the <b>Property
Definition Value.UniqueId</b> of the property definition.</p></div>