<?xml version="1.0" encoding="utf-8"?>
<ruleset version="1.5.0">
    <customrules>
    </customrules>
    <fields>
		<field name="column_type" required="true" />
		<field name="column_id" required="true" rule="alpha_number" length="1:60" />
		<field name="column_title" required="true" length="1:60" />
    </fields>
</ruleset>
