isConfidential 

Transient confidentiality is provided by a secure network
protocol, such as SSL as the document is transferred between two adjacent ebXML
Messaging Service or other transport messaging nodes. Persistent
confidentiality is intended to preserve the confidentiality of the message such
that only the intended party (application) can see it.

Attribute Information

Used By

Attribute Group documentSecurity

Source 

<xsd:attribute name="isConfidential">
  <xsd:annotation>
    <xsd:documentation>Transient confidentiality is provided by a secure network protocol, such as SSL as the document is transferred between two adjacent ebXML Messaging Service or other transport messaging nodes. Persistent confidentiality is intended to preserve the confidentiality of the message such that only the intended party (application) can see it.</xsd:documentation>
  </xsd:annotation>
  <xsd:simpleType>
    <xsd:restriction base="xsd:NMTOKEN">
      <xsd:enumeration value="none"/>
      <xsd:enumeration value="transient"/>
      <xsd:enumeration value="persistent"/>
      <xsd:enumeration value="transient-and-persistent"/>
    </xsd:restriction>
  </xsd:simpleType>
</xsd:attribute>

Sample