Index: lams_tool_whiteboard/web/pages/admin/config.jsp
===================================================================
diff -u -re686259177d09bfb23c125b78ef1209d7d7f7e69 -r5739216c21c85ff9b4b11cba522b5ffd2875d55c
--- lams_tool_whiteboard/web/pages/admin/config.jsp	(.../config.jsp)	(revision e686259177d09bfb23c125b78ef1209d7d7f7e69)
+++ lams_tool_whiteboard/web/pages/admin/config.jsp	(.../config.jsp)	(revision 5739216c21c85ff9b4b11cba522b5ffd2875d55c)
@@ -51,7 +51,14 @@
 							<form:input path="whiteboardAccessToken" size="50" maxlength="255" cssClass="form-control form-control-inline" />
 						</td>
 					</tr>
-					
+					<tr>
+						<td>
+							<label for="whiteboardIdPrefix"><fmt:message key="admin.id.prefix" /></label>
+						</td>
+						<td>
+							<form:input path="whiteboardIdPrefix" size="50" maxlength="255" cssClass="form-control form-control-inline" />
+						</td>
+					</tr>
 				</table>
 				<button class="btn btn-primary  pull-right"><fmt:message key="label.save" /></button>
 			</form:form>