amount 

Numeric value capturing a cost. Can only be interpreted in combination
with the currency attribute.

Attribute Information

Used By

Element mei:price

Source 

<xs:attribute name="amount">
  <xs:annotation>
    <xs:documentation>Numeric value capturing a cost. Can only be interpreted in combination with the currency attribute.</xs:documentation>
  </xs:annotation>
  <xs:simpleType>
    <xs:restriction base="xs:decimal">
      <xs:pattern value="[0-9]+\.[0-9]{2}"/>
    </xs:restriction>
  </xs:simpleType>
</xs:attribute>

Sample