<xs:schema xmlns:xs="<http://www.w3.org/2001/XMLSchema>"
            xmlns="urn:ericsson:com:netconf:heartbeat:1.0"
            xmlns:ncEvent="urn:ietf:params:xml:ns:netconf:notification:1.0"
            targetNamespace="urn:ericsson:com: ericsson:heartbeat:1.0"
            elementFormDefault="qualified"
            attributeFormDefault="unqualified"
            xml:lang="EN">

 <!-- Declaration of the element <heartbeat> -->
 <xs:element name="heartbeat"
             substitutionGroup="ncEvent:notificationContent" >
    <xs:annotation>
      <xs:documentation xml:lang="en">
          Tag to be sent in a  &lt;notification&gt; message to inform
          that the heartbeat interval has expired.This is a periodic
          notification.
       </xs:documentation>
    </xs:annotation>
 </xs:element>

 </xs:schema>