<form>
    <label name="name"/>
    <field name="name"/>
    <label name="triggers"/>
    <field name="triggers" mode="tree,form" colspan="4"
                view_ids="price.trigger_view_tree_sequence,price.trigger_view_form"/>
    <label name="periods"/>
    <field name="periods" mode="tree,form" colspan="4"
                view_ids="price.period_view_tree_sequence,price.period_view_form"/>
        
</form>
