ContactRocket/roles/odoo/files/addons/odoo-product-configurator/product_configurator/demo/product_config_step.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>

        <!-- Configuration Steps -->

        <record id="config_step_engine" model="product.config.step">
            <field name="name">Engine</field>
        </record>

        <record id="config_step_body" model="product.config.step">
            <field name="name">Body</field>
        </record>

        <record id="config_step_lines" model="product.config.step">
            <field name="name">Lines</field>
        </record>

        <record id="config_step_interior" model="product.config.step">
            <field name="name">Interior</field>
        </record>

        <record id="config_step_extras" model="product.config.step">
            <field name="name">Extras</field>
        </record>

        <!-- Configuration Lines -->

        <record id="2_series_config_step_body" model="product.config.step.line">
            <field name="product_tmpl_id" ref="bmw_2_series"/>
            <field name="config_step_id" ref="config_step_body"/>
            <field name="attribute_line_ids" eval="[(6, 0, [
                ref('product_attribute_line_2_series_color'),
                ref('product_attribute_line_2_series_rims')])]"/>
        </record>

        <record id="2_series_config_step_lines" model="product.config.step.line">
            <field name="product_tmpl_id" ref="bmw_2_series"/>
            <field name="config_step_id" ref="config_step_lines"/>
            <field name="attribute_line_ids" eval="[(6, 0, [
                ref('product_attribute_line_2_series_model_line')])]"/>
        </record>

        <record id="2_series_config_step_interior" model="product.config.step.line">
            <field name="product_tmpl_id" ref="bmw_2_series"/>
            <field name="config_step_id" ref="config_step_interior"/>
            <field name="attribute_line_ids" eval="[(6, 0, [
                ref('product_attribute_line_2_series_tapistry')])]"/>
        </record>

       <record id="2_series_config_step_engine" model="product.config.step.line">
            <field name="product_tmpl_id" ref="bmw_2_series"/>
            <field name="config_step_id" ref="config_step_engine"/>
            <field name="attribute_line_ids" eval="[(6, 0, [
                ref('product_attribute_line_2_series_engine'),
                ref('product_attribute_line_2_series_fuel')])]"/>
        </record>

       <record id="2_series_config_step_extras" model="product.config.step.line">
            <field name="product_tmpl_id" ref="bmw_2_series"/>
            <field name="config_step_id" ref="config_step_extras"/>
            <field name="attribute_line_ids" eval="[(6, 0, [
                ref('product_attribute_line_2_series_transmission'),
                ref('product_attribute_line_2_series_options')])]"/>
        </record>

</odoo>