Currently my search view looks something like this:
<record id="view_email_scheduled_search" model="ir.ui.view">
<field name="name">sale.order_email.scheduled_email.search</field>
<field name="model">sale.order_email.scheduled_email</field>
<field name="arch" type="xml">
<search string="Templates">
<field name="name"/>
<field name="subject"/>
<field name="order_id"/>
<field name="order_line_id"/>
</search>
</field>
</record>
Is it possible to add a search option that I can do with code?