dx:min 

minimum occurance of parent element
 

++ 0: parent element is not mandatory
 

++ 1: Parent element is mandatory
 

++ 2: Parent element MUST appear at least 2 times

Attribute Information

Used By

Element dx:occurance

Source 

<xs:attribute name="min">
  <xs:annotation>
    <xs:documentation>minimum occurance of parent element</xs:documentation>
    <xs:documentation>++ 0: parent element is not mandatory</xs:documentation>
    <xs:documentation>++ 1: Parent element is mandatory</xs:documentation>
    <xs:documentation>++ 2: Parent element MUST appear at least 2 times</xs:documentation>
    <!-- $Hist:JS:2012-11-27 #3340 for Duration (day and night) -->
  </xs:annotation>
  <xs:simpleType>
    <xs:restriction base="xs:token">
      <xs:enumeration value="0"/>
      <xs:enumeration value="1"/>
      <xs:enumeration value="2"/>
      <!-- $Hist:JS:2012-11-27 #3340 for Duration (day and night) -->
    </xs:restriction>
  </xs:simpleType>
</xs:attribute>

Sample