stock-logistics-warehouse/stock_picking_product_interchangeable/demo/product_demo.xml

<?xml version="1.0" encoding="UTF-8" ?>
<odoo noupdate="1">

    <record id="res_partner_bob" model="res.partner">
        <field name="name">Bob</field>
        <field name="email">bob@example.com</field>
    </record>

    <record id="product_template_plate" model="product.template">
        <field name="name">Plate</field>
        <field name="detailed_type">product</field>
    </record>

    <record id="product_template_napkin" model="product.template">
        <field name="name">Napkin</field>
        <field name="detailed_type">product</field>
    </record>

    <record
        id="product_template_napkin_attribute_line"
        model="product.template.attribute.line"
    >
        <field name="product_tmpl_id" ref="product_template_napkin" />
        <field name="attribute_id" ref="product.product_attribute_2" />
        <field
            name="value_ids"
            eval="[(4, ref('product.product_attribute_value_3')), (4, ref('product.product_attribute_value_4'))]"
        />
    </record>

    <record id="product_product_chopsticks" model="product.product">
        <field name="name">Chopsticks</field>
        <field name="detailed_type">product</field>
    </record>

    <record id="product_product_fork" model="product.product">
        <field name="name">Fork</field>
        <field name="detailed_type">product</field>
    </record>

    <record id="product_product_spoon" model="product.product">
        <field name="name">Spoon</field>
        <field name="detailed_type">product</field>
    </record>

    <record id="product_product_knife" model="product.product">
        <field name="name">Knife</field>
        <field name="detailed_type">product</field>
        <field
            name="product_interchangeable_ids"
            eval="[(4,ref('product_product_fork')), (4, ref('product_product_spoon'))]"
        />
    </record>

</odoo>