<?xml version="1.0" encoding="UTF-8"?>
<form>

    <field name="row_class" type="text" label="Row Class" />

    <field name="gap" type="list" label="Gap">
        <option value="">JNONE</option>
        <option value="g-0">Zero</option>
        <option value="g-1">Extra Small</option>
        <option value="g-2">Small</option>
        <option value="g-3">Medium</option>
        <option value="g-4">Large</option>
        <option value="g-5">Extra Large</option>
    </field>

</form>