Hi Gleb,

You can do it by passing the default search filter in the context of the o2m field in XML file by inheriting the view of related object.

Ex:

<xpath expr="//field[@name='order_line']/tree/field[@name='product_id']" position="attributes">

    <attribute name="context">{'search_default_ur_filter_name': 1}</attribute> # Here you need to add the original context from the base view as well

</attributes>