<?xml version="1.0"?>
<tree string="UTM Campaigns" multi_edit="1" sample="1">
                <field name="title" readonly="1"/>
                <field name="name" invisible="1"/>
                <field name="user_id"/>
                <field name="stage_id"/>
                <field name="tag_ids" widget="many2many_tags" options="{'color_field': 'color'}"/>
            </tree>
        