XML Tutorial/XML Schema/recurringDay
For an event that occurs on the same day of each month, use xsd:recurringDay
File: Schema.xsd
<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://www.wbex.ru" xmlns="http://www.wbex.ru"
elementFormDefault="qualified">
<xs:element name="payday" type="xs:recurringDay" />
</xs:schema>
File: Data.xml
<?xml version="1.0"?>
<payday>---30</payday>