<field>
<name>id</name>
<type>int unsigned</type>
+ <title>Mapping ID</title>
<required>true</required>
<comment>Mapping ID</comment>
<add>1.2</add>
<field>
<name>mapping_type_id</name>
<type>int unsigned</type>
+ <title>Mapping Type</title>
<comment>Mapping Type</comment>
<add>2.1</add>
<pseudoconstant>